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　　Late autumn and early winter are high season for air pollution, but the winter in Beijing, Tianjin and Hebei in 2019 is far more "blue" than in previous years. Under this blue sky and white clouds, there is an important technology that is "escorting" to win the blue sky defense war, which is — — Atmospheric monitoring and early warning technology.

　　"Atmosphere ‘ Monitoring and early warning ’ Just like the laboratory in the hospital, it tells you carefully, accurately and clearly whether there is pollution in the atmosphere and how the whole pollution level is. " At the recent "air pollution monitoring, forecasting and early warning technology exchange meeting" held by China 21st Century Agenda Management Center, Liu Wenqing, an academician of China Academy of Engineering, said that although the current average concentration of PM2.5 has dropped significantly, the "secondary pollution" represented by ozone and volatile organic compounds is constantly emerging, which challenges air monitoring and is also a difficult problem that must be overcome to win the blue sky defense war.

　　At the exchange meeting, experts including Zhang Yuanhang and Academician Liu Wenqing conducted in-depth discussions on the innovation and breakthrough of fine monitoring and early warning technology of air pollution in the "Special Project of Causes and Control Technology of Air Pollution" (hereinafter referred to as "Special Project of Air Pollution"). They believed that the internal cause of regional air quality regulation is emission, and the external cause is meteorology, and the control should focus on monitoring and emission reduction at the source.

　　Capturing the invisible "killer" of air pollution

　　Free radical, an active name, plays the role of "yin and yang teacher" in the prevention and control of air pollution.

　　On the one hand, it is the "scavenger" of atmospheric toxic substances, and the existence of free radicals constantly regulates the toxic components in the atmospheric environment, so that they cannot be aggregated. On the other hand, free radicals will oxidize with volatile organic compounds emitted by humans, and then react with nitrogen oxides to generate ozone and secondary organic aerosol, which play a "core" role in ozone pollution and particulate pollution.

　　A double-edged sword stands upright in the atmosphere. How should we examine it? The attitude given by the atmospheric expert group is objective and accurate, and the finer the better.

　　Accurate monitoring of free radicals is based on the changing trend of the current air pollution pattern. Li Xin, a researcher at Peking University Institute of Environment and the project leader of "On-line Measurement Technology of Atmospheric Free Radicals and Active Precursors", said in an interview with the Science and Technology Daily reporter that since the State Council promulgated the Air Pollution Prevention and Control Action Plan in 2013 (referred to as "National Ten Articles"), various measures have significantly alleviated primary pollution such as PM2.5. However, from the chemical composition of particulate matter, secondary components (that is, the first ten articles), Moreover, the concentration level and over-standard rate of ozone generated by the chain reaction of volatile organic compounds and nitrogen oxides under light conditions are also on the rise in major urban areas in China.

　　Free radicals are the indispensable "catalyst" in the above-mentioned "trade-off" pollutant transformation. Therefore, free radicals have become an important indicator to monitor the change of air pollution, and its concentration and activity have become a marker to measure the level of atmospheric oxidation in the eyes of Li Xin’s team.

　　Can free radicals be easily detected? Compared with conventional gaseous pollutants, the concentration of free radicals is very low. Li Xin introduced that the concentration standard of ozone in the atmosphere is 160μ G/m3 (microgram per cubic meter), and the converted concentration is 2×1012 cm-3 (molecule per cubic centimeter). However, the peak concentration level of hydroxyl radical (OH), which contributes the most to atmospheric oxidation, is only about 107cm-3 (molecule per cubic centimeter), which is equivalent to one hundred thousandth of the concentration of traditional gaseous pollutants. Moreover, the activity of free radicals is very strong, and the surface of OH radicals will be annihilated when it is touched by any substance, which means that it is in a state of change all the time, which makes it more difficult to detect free radicals.

　　In fact, the measurement of OH radicals has been studied since 1970s, and there are still some technical problems that have not been overcome until now. Li Xin’s team also adopts the internationally mature technical route — — The method of laser-induced fluorescence is that a laser beam hits the OH radical to stimulate the OH radical to release fluorescence, and the concentration of the OH radical can be judged by monitoring the intensity of the fluorescence signal.

　　The innovation of their method lies in making the laser measurement stable, accurate and accurate. Behind it is a set of self-designed measurement and feedback system, a series of conditional experiments and software simulations, and a self-built free radical concentration emitter & HELIP; … It is also the complete application of this technology and equipment that makes China the sixth country in the world to independently master this technology to capture the invisible "killer" — — Free radical country.

　　Monitoring ultra-fine particles from stationary pollution sources

　　With the introduction of the "National Ten Articles" and other policies, the emission standards of pollutants have become more and more strict. Nowadays, the atmospheric environment monitoring technology for fixed pollution sources has already entered the era of ultra-fine particle monitoring.

　　In the project report of Ding Yanjun, a professor in the Department of Energy and Power Engineering in Tsinghua University, the reporter saw that although the particulate emission detection equipment of stationary pollution sources such as thermal power plants in China and the world can monitor the ultra-low emission below 5mg/m3 (mg/m3) on line, it can only measure the total mass concentration of discharged smoke and dust, and cannot realize the high-precision on-line monitoring of the particle spectrum distribution of fine and ultrafine particles.

　　"The traditional one-way light particle optical scattering technology can only obtain one-dimensional optical information corresponding to the total mass concentration of smoke and dust, and when the environmental conditions change, the particle spectrum and refractive index of smoke and dust will change, which will affect the accuracy of the measurement results because it cannot perceive the change of smoke and dust characteristics." Ding Yanjun told the reporter that according to the scattering relationship between light waves and particulate matter, the project team used signal measurement and inversion signal processing algorithms to obtain PM10, PM2.5 and PM1 values in the smoke concentration, and finally realized the joint measurement of particle spectrum and mass concentration of fixed pollution sources.

　　It is noteworthy that the theoretical methods and key components obtained in this project have all been patented, among which the method of obtaining aerosol characteristics of scattered light signal and its application have been patented in PCT international invention, and both Japanese and American patents have been authorized.

　　For the monitoring of stationary pollution sources, in addition to sophisticated technical standards, there must also be pollutant monitoring technology that conforms to China’s actual working conditions.

　　Ding Yanjun told the Science and Technology Daily reporter that the imported instruments, whether from the United States, Europe or Japan, can not meet the monitoring of ammonia escape in the flue gas of a large number of high-ash coal-fired units in China, because a large number of fly ash in the flue gas makes the measurement laser unable to penetrate and fail.

　　In view of this situation, the project team developed a high-precision, high-sensitivity, online-calibration in-situ sampling ammonia escape monitoring technology, which realized ammonia escape monitoring of flue gas denitrification in a large number of high-ash coal-fired units in China. In addition, in view of the latest research results of fly ash adsorbing a large amount of escaped ammonia, the online monitoring technology of ammonia adsorbed by fly ash in flue gas was first developed in the world, and the total amount of ammonia escaping from flue gas denitrification was successfully monitored.

　　"This will provide key technical support and guarantee for the comprehensive monitoring and strict control of ammonia escape from flue gas denitrification widely existing in China’s industrial process." Ding Yanjun said.

　　Exploring three-dimensional information of atmospheric boundary layer pollution

　　In the winter of 2018, a 15-day large-scale meteorological observation experiment spanning 2,000 kilometers was held as scheduled.

　　"This is a large-scale, multi-platform and multi-factor comprehensive observation experiment of air pollution." Hu Fei, a researcher in lasg, who is in charge of this experimental project, said that the purpose of this experiment is to obtain the three-dimensional information of air pollution distribution in Beijing, Tianjin and Hebei, especially the high-resolution vertical distribution and time evolution characteristics of air pollutants and meteorological elements in the atmospheric boundary layer.

　　The difficulty of the experiment lies in high-altitude detection and keeping watch over the Beijing-Tianjin-Hebei region, so it was named "Wangdu Experiment". Different from the monitoring technology of fixed pollution sources on the ground, "Wangdu Experiment" mainly aims at the deficiency of simultaneous joint detection of pollutants in the atmospheric boundary layer and the vertical structure of meteorological elements, and carries out comprehensive detection and technological breakthrough.

　　The reason is that the atmospheric boundary layer, which is 1-2 kilometers away from the ground, dominates the material and energy exchange between the earth and the atmosphere, and is the main place for human life and engineering activities, as well as the main place for air pollution and meteorological disasters. Hu Fei told reporters: "In such a high range, it is a concrete difficulty to achieve full coverage in space, complete elements in composition and continuity in time."

　　An air pollution monitoring experiment integrating ground and air was staged in Beijing-Tianjin-Hebei region — — A 32-meter-long, 1,800-cubic-meter-long large air boat floats at an altitude of 1,000 meters like a kite. The "King of the Air" plane travels through the air with equipment, and the lidar conducts navigation observation with Beijing as the center, and a number of ground observation stations in Beijing, Tianjin and Hebei also implement synchronous collaborative observation & HELIP; … In order to support the comparison of air pollution characteristics between the north and the south of China, the monitoring equipment of the Pearl River Delta, the 356-meter-high Shenzhen Meteorological Tower and the 600-meter-high Guangzhou TV Tower, which are 2000 kilometers away, cooperated with the "Wangdu Experiment" to carry out observation at the same time.

　　In this observation experiment, the new ozone lidar, nitrogen dioxide lidar, high-altitude turbulence ultrasonic anemometer detection system and vorticity-related PM2.5 turbulence flux observation system independently developed by the project also made their debut.

　　Hu Fei said that this experiment has obtained new information and new phenomena about the fine structure of physical and chemical elements of pollutants that could not be obtained by ground observation or portable instrument sounding observation, which can provide scientific reference for revealing the formation mechanism of heavy pollution, pollutant source analysis and optimal control of air pollution in Beijing, Tianjin and Hebei. (Reporter Liang He)

ExxonMobil Huizhou Ethylene Project has been fully constructed.

Hengli petrochemical construction is in full swing

China Shipping and Shell Phase III stepped up its preliminary construction.

……

in recent years

Large-scale project construction for Daya Bay

World-class green petrochemical industry highland injects majestic power

Daya Bay Development Zone for three consecutive years

Ranked first among the top 30 national chemical parks.

　　The 12th Party Congress of Huizhou proposed to build a world-class green petrochemical industry highland. The highland of world-class green petrochemical industry should have a world-class industrial scale and a world-class management service level. At present, Daya Bay Petrochemical Zone has gathered many world-class petrochemical giants. Since the first project-China Shipping Shell entered the station, Daya Bay Petrochemical Park has improved the corresponding facilities such as water supply, power supply, heat supply, gas supply and pipe corridor transportation for the project construction.service. With the settlement of large-scale projects, the development of Daya Bay Petrochemical Zone has been accelerated in an all-round way, and the management service level of the park has also been improved.

　　Since September 15, 2012, Daya Bay District has implemented the first phase of closed management of Daya Bay Petrochemical Zone with reference to the closed management of Jurong Island in Singapore, and completed the construction of 10.8 kilometers of barbed wire fence, three inspection gates of Ximenlou, Dongmenlou and Beimen, and about 10 kilometers of North Ring Road. Vehicles entering and leaving the petrochemical area shall implement the pass management system, and the certificates shall be in and out.

　　On September 1st, 2014, the second phase of closed management was implemented in the petrochemical zone, and a full-time management organization with public security as the main body was established. The park was isolated from the outside world by purse seine, and it was patrolled 24 hours a day to prevent and control vehicles and personnel from entering the park in violation of regulations.

　　After 20 years of development, Daya Bay Petrochemical Zone has been ranked first among the top 30 national chemical parks for three consecutive years. The year 2021 is the first year of the "14th Five-Year Plan", and the construction of large-scale projects in Daya Bay Petrochemical Zone has made great strides: the PTA project of Hengli Petrochemical (Huizhou) started, the ethylene project of ExxonMobil Huizhou was fully built, the second phase of CNOOC Shell was put into operation, and the third phase of CNOOC Shell was progressing smoothly … Daya Bay Petrochemical Zone is struggling to compete for the world-class petrochemical zone.

　　A world-class petrochemical park should have a world-class industrial scale and a world-class management service level. In recent years, municipal and district leaders have been leading teams to inspect domestic and international advanced petrochemical zones, and have extensively absorbed the experience in the construction and management of world-class parks:

　　Antwerp and Jurong Petrochemical Zone all adopt advanced park management, that is, land and operation are separated, and development agencies rent land to enterprises for operation and provide corresponding supporting services. Antwerp Petrochemical Zone has established a strict supervision system for the storage and transportation of dangerous goods. The managers of Rotterdam Petrochemical Zone do not aim at profit, and do not participate in market competition. Instead, they implement the government’s port management function through planning and construction. The rental income of their land or docks is all used for the construction of port infrastructure, and rolling development is implemented through land operation. Jurong Petrochemical Zone is the only one of the five parks in the first echelon of world-class parks that implements strict closed management, implements the most stringent safety and environmental protection standards in the world, has a strict security monitoring system in the trinity of land, sea and air, and has a world-class "plug and play" infrastructure …

　　"In comparison, Daya Bay Petrochemical Zone still has a lot of room for improvement in management services." The relevant person in charge of Daya Bay Petrochemical Zone Management Service Center said.

　　Apply what you have learned. In order to improve the intelligent level of resource allocation, optimization of process flow and process control, Daya Bay District started the construction of "Smart Park" project in December 2018. Using the new generation of information technology, the management system of "smart park" integrating safety, environmental protection, emergency response and energy will be established, and the main framework of "eight pillars" will be completed, which will build a framework system of "four beams", "eight pillars" and "wisdom+"smart park suitable for the world-class green petrochemical industry highland. At the same time, support the enterprises in the park to benchmark the international advanced standards, promote the upgrading of equipment and processes, actively explore and promote the application of 5G technology and the new mode of deep integration of "industrialization and modernization", build a collaborative innovation system of intelligent manufacturing oriented to the whole production process and the whole business chain, promote digital transformation, realize the whole life cycle supervision of hazardous chemicals, create an emergency rescue system with rapid response and efficient decision-making, and improve the intelligent management level of the park.

　　Up to now, the main framework of "Eight Columns" in the "Smart Park" project has been completed and some government applications have been realized. Next, the "cerebellum" of public security, safety supervision and fire protection will be connected to the "brain" one after another.

　　In addition, in order to improve the management services of the petrochemical area, Daya Bay District has accelerated the formulation of the planning for the pipeline corridors in the east and west and the public works and infrastructure construction in the west, promoted the integration of public works, and provided high-quality public works products and services for enterprises in the park. In the near future, we will focus on speeding up the infrastructure construction such as Oude public liquid terminal, expansion of China Shipping Shell Donglian terminal, ExxonMobil liquid chemical terminal and heavy cargo terminal, and Hengli petrochemical general terminal, and open up the logistics channels for the three major projects from raw material import to product export.

　　At the same time, accelerate the construction of the new West Gate Building, East Gate Building and North Gate Building in the petrochemical zone, and optimize and improve the fully enclosed management of the park. Accelerate the construction of sewage pipe network. Large vehicle lanes are planned for the petrochemical park and the North Ring Road, and dangerous chemicals vehicles enter and leave the petrochemical park from the North Gate Building in a unified way, which further strengthens the safety of the park.

　　In order to ensure the early landing, completion and production of large projects, Daya Bay District has set up special classes for major projects (such as Mobil Project Class, Hengli Project Class and CNOOC Shell Phase III Project Class, etc.), established an efficient coordination and communication network, carried out wall chart operations, and ensured the service guarantee for project construction.

　　"Civil air defense+physical defense+intellectual defense" to build the safety line of pipe gallery

　　On the morning of November 16th, 2021, the comprehensive construction activities of ExxonMobil Huizhou Ethylene Project with a total investment of about 10 billion US dollars were held simultaneously in Beijing, Houston, USA and Daya Bay, Huizhou, marking that the project entered the stage of comprehensive formal construction. In addition to the production facilities that have attracted much attention, the project also includes seven supporting projects, including the western comprehensive energy station, public pipe gallery, sewage treatment reconstruction and expansion project and other public supporting projects, which not only meet the needs of the project, but also further enhance the overall supporting service capacity of Daya Bay Petrochemical Park.

　　A few days ago, the reporter visited to understand the latest progress of the above three supporting projects.

　　The Western Comprehensive Energy Project is located in the west of Daya Bay Petrochemical Zone. It is reported that the project plans to build a 2× 600,000 kW gas-steam combined cycle cogeneration unit, which is a public heat source point in the western petrochemical area and the first integrated comprehensive energy demonstration base with hydrogen energy utilization in China.

　　The western comprehensive energy station project uses a series of new technologies, new processes and new materials to improve the comprehensive utilization rate of energy. According to the person in charge of Daya Bay Comprehensive Energy Co., Ltd., the main equipment of the project is 9HA.01 gas turbine, which is one of the most advanced gas turbines in the world at present, and the efficiency of the whole plant can be above 70% under the condition of heating, which is more than 4% higher than that of the F-class gas-steam combined cycle.

　　The project has reached a cooperation agreement with ExxonMobil Huizhou Ethylene Project to supply ultra-high pressure steam to ExxonMobil Huizhou Ethylene Project, and at the same time, eliminate the hydrogen-containing tail gas generated in its production process, fully realize the comprehensive utilization of energy, improve the energy conversion efficiency by more than 25% compared with traditional coal-fired and gas-fired boilers, and realize the emission of nitrogen oxides of 15ppm, and even realize the single-digit emission of nitrogen oxides after installing denitration devices.

　　At the same time, the project uses reclaimed water produced by water purification plant to realize comprehensive utilization of resources in the park; The central heating mode replaces the small-capacity boilers of heat-using enterprises in the west of the petrochemical park, which reduces the total carbon emission and other pollutant emissions and improves the intensive management efficiency of the petrochemical park.

　　In addition to the "hard core" technology, the building of the project itself is also very successful. In the comprehensive energy company, the reporter saw the renderings of the project-a building that blends with the surrounding environment, shining like a gem, making it hard to imagine that this is a power plant. The buildings that can be used in the main factory building, office building and other factories are all equipped with solar photovoltaic panels to reduce pollution and carbon, which reduces the auxiliary power consumption of the project by 0.1% and the annual power generation reaches 5 million kWh. The photovoltaic integration of buildings strongly recommended by the state has been perfectly reflected in this project. Focusing on the "30 60" goal of national peak carbon dioxide emissions and carbon neutrality, the company has made every effort to build the project into a comprehensive energy demonstration base with low carbon, advanced, high efficiency, intelligence, diversity and multi-energy.

　　The project was approved at the end of June last year and started construction; On December 9, 2021, the main building project of the project was started, and the boiler pile foundation project is being carried out in an orderly manner. The project is scheduled to be completed and put into operation in 2023. After the project is put into production, it is estimated that the annual power generation is about 4.7 billion kWh, the annual heat supply is about 11.12 million Ji Jiao, and the annual output value can reach more than 3 billion yuan.

　　In Daya Bay Petrochemical Zone, in addition to tower equipment and storage tanks, the most striking thing is the piece of pipe gallery, which, as the "arterial system" of the petrochemical zone, continuously transports materials to petrochemical enterprises. At present, a total of 18 kilometers of public pipe corridors have been built in Daya Bay Petrochemical Zone, connecting the material transportation corridors in the east and west of the petrochemical zone, covering all settled enterprises, including the first-phase pipe corridor, the first-phase pipe corridor, the Binhai No.7 Road pipe corridor, the Ikos pipe corridor, the Zhoubang pipe corridor and the western pipe corridor in the petrochemical zone. The public pipe gallery under construction is about 15 kilometers, including Daya Bay cross-sea public pipe gallery, Hengli section pipe gallery, underground power pipe gallery and other projects; The planned public pipe gallery is about 12 kilometers.

　　Li Weifeng, general manager of Huizhou Daya Bay Petrochemical Public Pipe Gallery Co., Ltd. (hereinafter referred to as "Pipe Gallery Company") introduced that in order to meet the public pipe gallery needs of Mobil Project and other settled enterprises, the pipe gallery company is building a Daya Bay cross-sea public pipe gallery project, with a total length of about 5.4 kilometers from Tsuen Wan Port Terminal (Tsuen Wan District) to Mobil Factory (Petrochemical District), with a total investment of about 500 million yuan, which involves crossing the sea area and requires the construction of a single span of 160 meters. In addition, the pipe gallery company plans to build a public pipe gallery such as the second phase of the western pipe gallery and the section from Binhai Avenue to Binhai 12. The construction content includes a sunken pipe gallery crossing Binhai Avenue. After the construction of the project, it can solve the problem of Mobil project’s synchronous guarantee for the use of public pipe gallery "at sea+above ground+underground".

　　With the continuous expansion of the scale of public pipe corridors in petrochemical areas, a smart pipe corridor system, which is designed by Shanghai Institute of Advanced Studies, Chinese Academy of Sciences and based on technologies such as Internet of Things, big data, cloud computing and artificial intelligence, has become a "magic weapon" to improve the safety management level of public pipe corridors.

　　In the central control room of the smart pipe gallery of the pipe gallery company, the reporter saw that the smart pipe gallery system integrates video monitoring system, gas detection system, anti-intrusion system and broadcasting system, and these systems can realize real-time linkage on the 3-D map modeled according to the real scene. When the staff clicks on one section of the pipe gallery, they can see the three-dimensional model of the pipe gallery. After zooming in several times, the fence and column number on the main body of the pipe gallery are clearly visible. Click on the pipeline on the pipe gallery, and they can also view the details of each pipeline, including customer unit, pipe diameter, length, direction, temperature and pressure, output unit, input unit, risk level and other information.

　　"These detailed data records are convenient for us to determine the specific location according to the pipe gallery signboard when there is an emergency in the pipe gallery, and notify the relevant units at the first time to start the corresponding emergency rescue plan." Zheng Duqin, assistant general manager of Guanlang Company, said that Guanlang Company adopted the safety concept of "civil air defense+physical defense+intellectual defense". In addition to the pipe gallery fence, Petrochemical Guanlang Company also invested in the construction of a 13.2-kilometer pipe gallery safety collision barrier, and arranged operators to regularly inspect the pipe gallery area and monitor it 24 hours a day.

　　After the petrochemical project is completed and put into production, sewage treatment is a big project. It is understood that after the first phase of ExxonMobil Huizhou Ethylene Project is completed and put into operation, the sewage generated by it needs to be treated by special environmental protection facilities. Its sewage treatment project is built by Huizhou Daya Bay Qingyuan Environmental Protection Co., Ltd. (hereinafter referred to as "Qingyuan Environmental Protection"). At present, the feasibility study, environmental assessment and preliminary design of the project have been completed, and it is planned to start in July 2022 and be completed and put into operation before the first quarter of 2024.

　　Qingyuan Environmental Protection is an important integrated supporting infrastructure and environmental protection "three simultaneities" construction project in Daya Bay Petrochemical Park (designed, constructed, put into production and used simultaneously with the main project). At present, Qingyuan Environmental Protection provides sewage treatment services for 46 enterprises stationed in the petrochemical park, with an average daily sewage treatment capacity of 8,000 cubic meters.

　　Peng Zhongting, deputy chief engineer of Qingyuan Environmental Protection, introduced that the new sewage treatment facility project is located in the existing plot of Qingyuan Environmental Protection, with a total investment of about 800 million yuan and an area of about 49,000 square meters. This project is used to treat production sewage, cooling tower sewage, high-salinity sewage and other sewage generated by ExxonMobil Huizhou Ethylene Phase I project, and the designed sewage treatment scale is 1120 cubic meters per hour.

　　Different from the previous sewage treatment facilities, part of the sewage of this project can be used as reuse water for Mobil after advanced treatment, and the reuse rate is 60% ~ 70% of the designed sewage treatment scale. Peng Zhongting said that the sewage recycling of petrochemical enterprises not only realizes the recycling of sewage, but also protects the water environment around the park.

It has been more than two years since the outbreak of COVID-19 at the end of 2019.Sequela of COVID-19Discussions on related topics have never stopped.

"COVID-19 may cause permanent damage to male sexual function?"

"terror! More than 200 kinds of sequelae of COVID-19 are difficult to cure for life! "

"COVID-19 after cure, sequela emerge in large numbers! Experts uncover the cruel truth … "

Since February this year, with the spread of Omicron mutant and its subfamily, the epidemic has rebounded and spread on a small scale in many cities in China. The constant variation of COVID-19 virus has always kept the "sequela of COVID-19" in the fog. However, the growing number of recovered people in COVID-19 has rapidly fermented the fear of COVID-19’s sequela. We can see this fear from the emotional distribution of public opinion about COVID-19’s sequela on social media.

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Obviously,Fear occupies the absolute majority of public opinion.But it seems that some people are slowly accepting the sequela of COVID-19. This may be related to the difference in toxicity between Omicron strain and previous strains. However, people’s negative emotions still dominate the mystery of COVID-19’s sequela.

Is the sequela of COVID-19 really terrible?The medical community can’t give an exact answer at present, especially in the context of Covid-19’s continuous evolution. However, infectious diseases have always been the main diseases threatening human health, and even to some extent, infectious diseases and human beings have jointly constructed social life and history. Perhaps from the history of human infectious diseases for thousands of years, we can find some traces of answers.

In history, have humans ever defeated infectious diseases and their sequelae?

Infectious diseases break out at different stages of human development, andThe human struggle against the sequelae of infectious diseases is always in a continuous state.. This persistence lies not only in the fact that its sequelae will still have a long-term impact on the recovered after the epidemic of infectious diseases has been controlled, but also in the fact that it takes a long time for human beings to recognize the sequelae caused by these widespread infectious diseases.

Not every infectious disease will cause sequelae, butEvery disease that may leave sequelae for the recovered has left an indelible mark on human history.. Looking back at the development history of infectious diseases that left sequela problems, it is not difficult to find the power of these diseases.

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For thousands of years,Only smallpox is the only truly eradicated infectious disease in human history.While other infectious diseases are still dormant in every corner of the earth. Before the birth of modern science, human beings didn’t fully understand viruses and bacteria, and there were still many puzzles about what infectious diseases were, how they occurred and how to effectively prevent, deal with and contain them, especially for the sequelae of infectious diseases.

Overcoming the sequela of COVID-19, it seems, is not a short process.

How long does it take to correctly understand a sequela?

In the face of the sequelae of infectious diseases, human beings, like other temporarily unknown things, seek answers from practical experience and try to establish their understanding of the sequelae of infectious diseases.

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As the experience of fighting SARS, hepatitis B and influenza shows,The study of sequela is based on the epidemic of infectious diseases, and the long-term sequela makes the study of sequela lag behind the occurrence of epidemic of infectious diseases for a long time.The outbreak of hepatitis B in China was from 1970 to 1992, but the number of related studies on the sequelae of hepatitis B reached its peak in the 21st century.

At the same time, the pathogens of some infectious diseases are constantly changing and updating.It seems that the sequela of infectious diseases and human beings have also become an endless tug-of-war.Influenza virus has undergone many mutations during its epidemic thousands of years. For example, the 1918 influenza virus, known as the "mother of pandemic", has been studied, and almost all influenza A (except avian influenza virus, such as H5N1 and H7N7) in the world since then are its descendants. The research on the sequela of influenza has been going on for centuries, but so far it has not been able to give a definite conclusion.

A large sample study of sequelae of COVID-19 also needs a long time span. At present, there have been achievements in the research of COVID-19’s sequelae in the medical field, and the research object is mainly COVID-19 patients in 2020, and there is a great difference between the infected strains of COVID-19 patients in 2020 and the popular Omicron variant.The sequela of COVID-19 is still an unpredictable variable.

What are the consequences of the unknown sequelae?

Academic research itself lags behind the outbreak of infectious diseases, and human beings are often in the blank or limited cognition of diseases and their sequelae for a long time.Faced with the unknown, out of worry and fear, people may avoid patients with diseases, and even breed group malice against patients.

Just as people are sensitive and uneasy about "COVID-19" nowadays, from the end of 20th century to the beginning of 21st century, Chinese in this period fell into a panic about "Hepatitis B".

Hepatitis B virus carriersThere is a certain probability of complications such as hepatocellular carcinoma, chronic active hepatitis with or without cirrhosis. The serious illness made people nervous for a while, and also made hepatitis B carriers bear numerous social pressures at that time. The word "hepatitis B discrimination" also comes from this.

"hepatitis b discrimination"It refers to giving different, often unreasonable and unequal treatment to hepatitis B virus carriers outside the conditions stipulated by law. The wrong understanding of hepatitis B is the root of social prejudice and discrimination. At the same time, there are many patients with hepatitis B in China, and the social discrimination against hepatitis B patients and hepatitis B virus carriers is more serious.

China’s laws and regulations related to hepatitis B are gradually improved and perfected in the exploration of hepatitis B cognition.

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At the end of 1980s, the research on hepatitis B in the medical field was not clear, and hepatitis B was mistaken for being highly contagious, and many rights and interests of hepatitis B carriers were restricted. Since the 21st century, with the deepening understanding of hepatitis B, especially the frequent occurrence of cases of discrimination against hepatitis B, the society and the country have gradually paid attention to this issue. According to the actual situation, relevant departments have promulgated and implemented a number of laws and regulations to solve the problems.

In 2010, atNotice on Further Standardizing the Physical Examination Items for Admission and Employment and Safeguarding the Admission and Employment Rights of HBsAg CarriersAfter the introduction, local governments and relevant departments responded in succession to protect the enrollment and employment rights of HBsAg carriers. It was also in this year that the number of laws and regulations related to hepatitis B reached its peak, and then it became more and more stable.

From the beginning of "talking about the color change of hepatitis B" to the later protection of rights, it is inseparable from the gradual establishment of objective cognition by all sectors of society and joint efforts to eliminate discrimination.Getting rid of people’s sensitivity and anxiety about "COVID-19" may also be inseparable from this process.

At present, more than 550 million COVID-19 patients have been confirmed in the world, and nearly 530 million people have been cured. The increasingly prominent sequela problem in COVID-19 has brought double challenges to academic research and policy planning. The sequela of COVID-19 needs the public’s attention and understanding, and the implementation of intervention measures by all sectors of society. The academic research of COVID-19’s sequela is not clear, and the policy planning of COVID-19’s sequela in China is still in the exploratory stage.

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At present, the country has explored COVID-19’s sequela policy from the aspects of advice, rehabilitation platform and economic subsidies.Some places have also begun to build rehabilitation hospitals in Kangding. For example, Suzhou City has designated the People’s Hospital of Suzhou Taihu National Tourism Resort as the designated rehabilitation hospital in COVID-19. It is imperative for the state to improve relevant measures as soon as possible to protect the rights of patients with sequelae of COVID-19 in the post-epidemic era. Whether it is necessary to further implement assistance to patients through legislation and other measures like hepatitis B remains to be discussed.It still needs some distance to get rid of people’s sensitivity and anxiety about "COVID-19".

How far are we from getting rid of the anxiety of "COVID-19 Sequela"?

If we want to know how far it is from getting rid of the anxiety of "COVID-19 sequela", we must first know what caused people’s anxiety about COVID-19 sequela. From people’s discussion on COVID-19’s sequela, we can find some key points.

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The anxiety about COVID-19’s sequela may be related to the influence of COVID-19’s sequela on the body.Symptoms of COVID-19’s sequela have attracted much attention. Besides symptoms, nouns such as fatigue, hepatitis, taste and adjectives such as fatigue also appear frequently. The academic circles can’t determine exactly what the "symptoms" of COVID-19’s sequela are, but in the discussion of COVID-19’s sequela, the impression of "COVID-19’s sequela" has gradually formed.

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Although these impressions may not be supported by scientific evidence, they will inevitably cause some panic.The influence of COVID-19’s sequela on mental state is often discussed, and adjectives such as "anxiety", "fear" and "depression" appear many times. Women, the elderly, etc. are also mentioned as the possible susceptible groups of sequelae of COVID-19.

Apart from paying attention to COVID-19’s sequela symptoms and personal emotional state,The anxiety about COVID-19’s sequela may also be related to the influence of COVID-19’s sequela on social life.In the phrase "life", keywords such as "dismissal" and "work" have also been discussed to some extent.

On May 29th, 2022, a blogger "I’m a little monster" who returned to COVID-19 for rehabilitation claimed that the organization where he worked as a Russian teacher asked to leave after learning that he had been infected with COVID-19. She said that she had done 50 or 60 nucleic acids, and all of them were negative. She also hoped that the society would be more tolerant and understanding to the recovered people in COVID-19.

Some people understand the reason why she was fired: "Because this disease will recur endlessly, and once you recover, everyone who comes into contact with you will become close or sub-close, and they may all face isolation … But please believe that everyone is kind, not discriminating, but afraid of separation and life and work stoppage." Some people also talk about similar experiences or concerns with bloggers. "When the cabin came back, people in the same building saw me close the door with a thief." "The little monster is still a hot self-media on the Internet. What about others? What should other ordinary people infected with COVID-19 do if they encounter such a thing?"

In fact, this blogger’s situation is not a case.A report published by The Lancet found that some people failed to return to their pre-infection work status or work after COVID-19 was infected, butThe reasons for losing one’s job are directly or indirectly related to COVID-19’s sequelae.

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How far are we from getting rid of the anxiety of "COVID-19 sequela"?

What effect COVID-19’s sequela will have on the health of COVID-19’s recovered people is an unpredictable variable, which needs to be verified by the medical community in time. If we want to form a reasonable attitude of society towards COVID-19’s rehabilitated people, we need all sectors of society to work hard to eliminate inequality and irrationality.

Mark Twain once said, "History will not repeat itself, but just like the rhyme of the article, similar events will happen again." The distance between us and getting rid of the anxiety of "COVID-19 sequela" is the same as that between human beings and other infectious disease sequela panic in the past.

Is the sequela of COVID-19 really terrible? History will give the answer.

References:

1. Shen Guoqiang, Ren Huiyan, Zhou Long, Wang Zhangye, Yan Xiaoyi. Study on the response policy and evaluation system of novel coronavirus epidemic [J]. Science and Technology Herald, 2021,39(05):87-98.

2. Zhang Wenhong, "Zhang Wenhong said pollution", CITIC Publishing House

3. World Health Organization https://www.who.int/zh/

4. Law on the Prevention and Control of Infectious Diseases (until 2021)

5.Lixue H，Qun Y，Xiaoying G,etal.1-year outcomes in hospital survivors with COVID-19:a longitudinal cohort study[J].Lancet(London,England).398(10302):747-758.

6. Emerging Infectious Diseases, an academic journal of CDC in the United States, January 2006, Volume 12, No.1, with the title of 1918 Influenza: Mother of All Pandemic Diseases.

7. People’s Network

http://www.people.com.cn/wsjk/wsjk11/112/pvw894121.htm

8.https://baijiahao.baidu.com/s? id=1725511321170854939&wfr=spider&for=pc

https://news.sina.com.cn/s/2020-03-15/doc-iimxyqwa0649265.shtml

https://xueqiu.com/9936619624/140976983

Author team:Dong Jieyun Lin Huan He Qing

Instructor:Bian Qing

Tongji University Art and Media College "Integrated Media Reporting" Course Column

Contact information of the author:

19821236527 (mobile phone)

1037002425@qq.com (mailbox)

Produced by:Tongji university college of art and media

Source of data: Shenzhen Cross-border E-commerce Association’s creativity/photo courtesy

Securities Times reporter Chen Xiachang

A few yuan a set of wearable nail art, a baby cloth book in 10 yuan, an electronic watch in 20 yuan, and solar outdoor lighting in 300 yuan … These are the products displayed by many merchants at the "Cross-border E-commerce+Industry Belt" activity site in Guangdong Province recently. On the same day, hundreds of cross-border e-commerce sellers and cross-border e-commerce platforms conducted face-to-face docking.

On-site merchants told the Securities Times that most of these goods will be sold around the world through cross-border e-commerce platforms. The cross-border e-commerce channel monopolized by Amazon a few years ago is now being replaced by many Chinese cross-border e-commerce platforms such as AliExpress and SHEIN.

According to data released by the General Administration of Customs, the import and export of cross-border e-commerce in China in the first quarter was 577.6 billion yuan, an increase of 9.6%. After years of development, cross-border e-commerce, a new format, together with general trade and processing trade, constitutes three major trade modes in China and has become a new kinetic energy to stimulate foreign trade growth. While the scale of cross-border e-commerce has expanded, a number of new-generation cross-border e-commerce platforms have developed rapidly in overseas markets and become "Chinese forces" that cannot be ignored. Nowadays, these cross-border e-commerce platforms have been expanding their global market share and become a new choice for global consumers to shop.

Why did the Chinese e-commerce platform rise?

Among many cross-border e-commerce platforms, the TikTok Shop launched by SHEIN, Pinduoduo’s Temu, AliExpress and ByteDance’s TikTok is the most eye-catching, and is called "Four Little Dragons" by the industry.

According to the report released by the market analysis organization Data.ai at the beginning of the year, SHEIN won the global shopping APP download champion again in 2023. On this list, Temu and AliExpress ranked second and ninth. Amazon, the American e-commerce giant, ranked third.

Before 2020, the overseas cross-border e-commerce platform represented by Amazon will become the first choice for sellers in China with a large number of overseas users. But Amazon’s massive titles to China sellers changed the whole ecology. Since April, 2021, Amazon has continued to seal up the accounts of China sellers who violate the rules, and many head sellers have been closed and their funds frozen.

A seller who once opened a 3C store in Amazon told reporters that he violated Amazon’s relevant policies by guiding users to evaluate products, and the store was finally closed by Amazon.

Then he turned to Ali’s AliExpress, and the effect was good. Next, he plans to open a shop in Temu, hoping to return to the American market.

Although the large-scale titles of Amazon have improved the standardization of the whole industry, it has also made many China sellers realize that they can’t put all their eggs in one basket. They urgently need to find a new platform to share risks.

In 2022, Temu and TikTok Shop were established successively. SHEIN, which has been operating overseas for many years under its own brand, was officially opened to third-party sellers, attracting third-party sellers to join and rapidly expanding its scale. Together with Alibaba AliExpress, which has been operating in Europe and America for many years, the Chinese cross-border e-commerce platform entered the field of vision of China sellers.

"Four Little Dragons" have their own characteristics.

The "four little dragons" can rise rapidly, and each has its own "trick".

Temu, which was established in September, 2022, became a shining star in the cross-border e-commerce industry with its parent company, Pinduoduo, who has been deeply involved in the field of affordable e-commerce for many years, and with ultra-low-priced goods and generous advertising promotion.

"Cheap" is Temu’s trademark. According to a report from JPMorgan Chase, according to the statistics of randomly selected commodities, the average price advantage of Temu is less than 20% for high-priced/brand commodities with a price higher than $30, and the average price discount of Temu is more than 50% for commodities with a price lower than $10.

According to the data of the third-party organization Sensor Tower, from September 2022 to November 2023, the global download volume of Temu exceeded 300 million times. In 2023, Temu successively entered the markets of Southeast Asia, Japan and South Korea, and launched sites in Korea, Mexico, Chile, Israel and Malaysia.

"In terms of the global business of the Group, Temu has entered 50 countries and regions since it was launched in September 2022." At the fourth quarter performance exchange meeting in Pinduoduo in 2023, Chen Lei, Chairman and Co-CEO of Pinduoduo, revealed.

Another trump card of Temu is to take the lead in adopting the full custody mode for platform sellers, that is, the merchants are only responsible for loading the goods, and the platform is responsible for the whole process from product selection to performance to sales.

Ning Fujie, an analyst at Zheshang Securities, believes that the full custody mode basically solves the problems of gray production, empty packages and fake goods. For sellers, full custody is also a way with the lowest cost of measuring money and trial and error. Under the strict price comparison, horse racing and marketing mechanism, the purchase price of Temu is lower than that of major platforms.

Compared with the birth of Temu, the veteran e-commerce company SHEIN is telling more new stories.

Founded in 2012, SHEIN mainly sells women’s fast fashion related categories in overseas markets. In the domestic market, SHEIN has always been a very low-key presence. It was not until the epidemic period that overseas users accelerated online consumption, the frequent appearance of SHEIN on foreign APP download lists, and its repeated breakthroughs in valuation attracted domestic attention. At present, SHEIN has developed into a super unicorn enterprise with a valuation of more than 60 billion US dollars.

Yang Renwen, director of Guohai Securities Research Institute, believes that SHEIN’s rise in overseas markets lies in its "flexible supply chain+high-frequency innovation and cost performance+public and private domain marketing". SHEIN’s operation process is that the back-end data center quickly updates and tests products according to big data analysis, and the supplier adopts the mode of small order and quick reaction, and quickly responds according to the sales situation of goods, chasing orders for explosive products, or modifying and retesting non-explosive products, relying on this efficient iterative rhythm to maintain the output of explosive products. In addition, the company’s marketing method of combining public and private domains not only ensures the acquisition of new customers, but also promotes user activity and realizes the long-term growth of brand value.

Since 2023, SHEIN has continuously deepened its platformization strategy, faced the global market, invited more third-party sellers to settle in, and gradually formed a "self-operated brand+platform" dual-engine development model.

The relevant person in charge of SHEIN told the reporter that unlike the traditional e-commerce platform, SHEIN emphasized the deepening of the platform model, including agency operation and independent operation. Under the agent operation mode (similar to the full custody mode of Temu), SHEIN provides one-stop empowerment and services, including commodity operation, warehousing, logistics, customer service and after-sales. In the autonomous operation mode, sellers can operate independently, including self-management of product selection, shelving, marketing strategy, sales, inventory, logistics, etc. SHEIN proposed to support brand building by relying on platform resources and brand influence.

Shenzhen Cross-border E-commerce Association has analyzed the advantages of the "Four Little Dragons" and the traditional giant Amazon. The association believes that AliExpress is outstanding in logistics, market and user coverage; SHEIN is a fast fashion company. Its main advantages are a strong digital supply chain system and a large number of young users and brand loyalty accumulated in the early stage. TikTok Shop has TikTok’s global mass user base, which stimulates users to place orders through short videos to plant grass products and live broadcast and key opinion leaders (KOL). Temu, on the other hand, focuses on the low-cost strategy, and quickly accumulates a large number of users by social fission to seize the market.

Arel, executive president of Shenzhen Cross-border E-commerce Association, said in an interview with the Securities Times that after the success of Temu’s full hosting model, the most mainstream cross-border e-commerce platform in China has embraced the full hosting model. At present, this model is continuing to be promoted and practiced in the global mainstream e-commerce platforms, which is unstoppable, greatly expanding the influence of cross-border e-commerce products in China overseas.

According to the customs statistics of Shanghai Pudong International Airport, the number of export declarations of Pinduoduo, TikTok and SHEIN3 through Shanghai Airport Port in 2023 increased by more than 10 times year-on-year.

Behind the triumphant March

Controversy continues

The Chinese-funded cross-border e-commerce platform has made great strides overseas, but it has also attracted a lot of controversy.

Take Temu as an example. Many sellers complain about Temu’s full hosting model, mainly focusing on Temu’s price reduction. Many sellers in Pinduoduo told reporters that Temu has a strict price review mechanism. If the seller’s quotation on Temu is higher than the price of similar products of domestic wholesale e-commerce company 1688, the platform will let the seller re-quote, and the subsequent goods preparation process can only be carried out after the verification price is passed. Because of the strength of the platform, most enterprises can only choose "tolerance".

In addition, under the full hosting mode, the long logistics time also restricts the development of the platform.

Deng Wenhui, an analyst at Guolian Securities, believes that the price advantage of Temu in full custody mode is obvious compared with Amazon, but the logistics timeliness is poor. According to her sampling survey on the prices of various commodities on the two platforms of Temu and Amazon, the prices of commodities with less than $10 on Temu platform and similar commodities on Amazon platform are about 2-3 times that of Temu. However, in terms of delivery timeliness, according to the official disclosure of Temu, it takes about 8-12 days for free standard delivery and 5-9 days for fast delivery of fees. Because Amazon has a local warehouse to stock up in advance and a strong logistics system, the delivery time in the United States only takes about 2 ~ 3 days.

The rapid development of Chinese-funded cross-border e-commerce platforms has inevitably moved the "cakes" of many national local platforms.

Taking South Korea as an example, the development of both AliExpress and Temu in the Korean market has shown a strong growth trend this year. As of March, the users of the two platforms in Korea were 8.88 million and 8.3 million respectively, second only to the Korean e-commerce giant Coupang. However, according to Yonhap News Agency, relevant Korean institutions are investigating the collection and use of personal information on cross-border e-commerce platforms in China. Previously, AliExpress had been inspected by KFTC, the Korean antitrust regulator, because of the increase in consumer complaints in Korea. There are indications that the South Korean government is stepping up its supervision of cross-border e-commerce platforms, which can be regarded as a protective measure for domestic enterprises to some extent.

Arel suggested that in 2024, cross-border e-commerce sellers should pay more attention to and invest in new global markets such as Southeast Asia, the Middle East, Russia, Africa and Latin America. Compared with the European and American markets with many sellers and fierce competition, emerging markets with rapid growth and great potential in 2024 will bring new performance growth points to cross-border sellers. In addition, with the sharp increase in compliance costs in Europe, Brazil, Southeast Asia and other markets, compliance in 2024 will be the primary issue that cross-border sellers must pay attention to.

　　According to the website of China Consumers Association, on November 8, China Consumers Association commented on the unfair format clauses in the tourism field that consumers strongly reflected, and exposed the six overlord clauses in the tourism field.

　　Overlord clause 1: the itinerary is rescheduled and rerouted without any compensation.

　　Clause 1: After this agreement is signed and comes into effect, neither party may dissolve it unless both parties reach an agreement through consultation.

　　Terms and conditions: 2: Party B (operator) has informed Party A (consumer) in advance of rescheduling, rerouting or returning the tour fare in full without any compensation.

　　Clause 3: Hotel rooms, restaurants, scenic spot tickets and other services reserved by Party B (operator) for Party A (consumer) are non-refundable.

　　Consumers association comments:

　　The above clause 1: According to the provisions of the Tourism Law, consumers have the right to terminate the unilateral agreement before the end of the tour, which is the legal right of tourism consumers, and travel agencies have no right to restrict the rights of consumers.

　　The above clause 2: If it does not meet the statutory time limit and reasons, it is a breach of contract. Breach of contract should bear the liability for breach of contract or compensation, that is, consumers have the right to compensation for breach of contract, which is the legal right of consumers. Refund is only the legal consequence of the termination of the contract, not the way to bear the liability for breach of contract or compensation.

　　The above clause 3: This clause violates the principle of fairness, and tourism consumers have the legal right to change the contract under certain conditions, which limits the legal rights of tourism consumers. If the contract is a package tour contract, the agreement shall be invalid.

　　Overlord clause 2: Travel agencies are not responsible for buying fake and shoddy goods at shopping points.

　　Clause 1: The travel agency shall not be responsible for personal and property damage caused by tourists’ participation in scenic spots and recreational projects.

　　Clause 2: The quality responsibility of the products purchased by tourists at the shopping point shall be borne by the shopping point and tourists themselves, which has nothing to do with the travel agency, and the travel agency shall not be responsible.

　　Clause 3: Due to insufficient number of people, the tour group can be transferred with the consent of Party A (consumers). After the transfer, the travel agency will no longer bear the responsibility, and the responsibility of Party B (travel agency) will be transferred to the new tour group travel agency.

　　Clause 4: If the personal and property rights and interests of tourists are damaged due to the infringement of a third party and other reasons that cannot be attributed to the tour group (including the land agency and the performance assistant), the tour group will not be liable for compensation;

　　Consumers association comments:

　　The above clause 1: Tour operators have the obligation to give safety tips to tour consumers. If they fail to give tips or tips are defective, they fail to fulfill their safety guarantee obligations, causing personal injury and property loss to tour consumers, and the travel agency shall bear corresponding or supplementary responsibilities. This agreement circumvents the legal responsibility that tour operators should bear.

　　Clause 2 above: If a tourist consumer buys fake and shoddy goods in the shopping place determined through consultation with the travel agency, the travel agency shall be responsible for recovering or compensating the tourists for their direct economic losses. If the travel agency organizes tourism activities at unreasonably low prices to trick the tourists, and obtains illegitimate interests such as kickbacks by arranging shopping or paying for other tourism projects, the tourists have the right to ask the travel agency to handle the return of goods and advance the payment for the return of goods within 30 days after the end of the travel itinerary.

　　Clause 3 above: After the transfer, the travel agency still needs to be responsible for the travel consumers, and the entrusted travel agency should be responsible for the travel agency. This clause violates legal obligations and evades legal responsibilities, which should be null and void.

　　Article 4 above: The non-imputability of this article is essentially to put all the responsibilities arising from this situation on the tourist consumers or the third party, thus avoiding the corresponding responsibilities that the tour group agency should bear, and the tourist consumers have the right to ask the travel agency to bear part or all of the responsibilities.

　　Overlord clause 3: no refund will be given if you leave the group.

　　Clause 1: This Agreement shall not be terminated for any reason; No refund will be given if you leave the group.

　　Clause 2: Insurance premium includes: personal accident insurance+travel agency liability insurance.

　　Clause 3: If Party A (the consumer) requests to cancel the reserved hotel rooms and other services after this contract comes into effect, Party A shall still bear all the expenses of the corresponding services according to the standards agreed in this contract, and the fees of rooms, tickets and other fees already collected by Party B (the travel agency) will not be refunded.

　　Clause 4: If there is a natural room (single man or single woman) in the registration, Party A (consumer) shall make up the delivery fee or Party B shall arrange a triple room.

　　Clause 5: The above is a normal reference itinerary. The reception agency has the right to make adjustments (without lowering the standard) to the itinerary, trains, flights, hotels’ staying cities, etc., and try its best to ensure the smooth progress of the itinerary. In case of force majeure or policy adjustments, the expenses incurred shall be borne by the tourists.

　　Clause 6: The scope of force majeure includes the notice issued by the government, epidemic prevention and control measures, etc. If the tourists are stranded due to force majeure or policy adjustment, the expenses incurred shall be borne by the tourists.

　　Consumers association comments:

　　The above clause 1: On the one hand, this clause excludes the legal right of consumers to terminate; On the other hand, even if the contract is terminated due to the reasons of the tourist consumers, the tourist consumers have the right to ask the tour operators to refund the expenses that have not actually occurred.

　　The above clause 2: Travel agency liability insurance belongs to the operating cost of the travel agency, which transfers the liability insurance expenses that the travel agency should bear by law to consumers, and consumers have the right to refuse or demand the return of this part of the insurance premium that should be borne by the travel agency.

　　Clause 3 above: In this agreement, in obviously unfair, the travel agency has collected the room and ticket fees for hotels and scenic spots but has not actually paid them, or the fees that have been paid but can be returned or partially returned. These fees are neither the responsibility of the travel consumer for breach of contract nor the reward for the service provided by the travel agency, and the travel agency has no right to occupy them and should be returned to the consumer.

　　Clause 4 above: The situation of natural single rooms belongs to the operator’s own management arrangement, and the tourist consumers are not responsible, so the tourist consumers are required to bear the responsibility of the operator’s own poor management. obviously unfair is a compulsory consumption.

　　Articles 5 and 6 above: Not all the increase in travel expenses caused by force majeure shall be borne by the travel consumers. The increased accommodation expenses shall be borne by the tourist consumers; The increased cost of return trip should be shared by tourism consumers and travel agencies. The travel agency should also refund the fees received but not actually incurred.

　　Overlord clause 4: Adjust the itinerary at will

　　Clause 1: Party B reserves the right to adjust the itinerary without reducing the number of scenic spots.

　　Clause 2: In case of service quality problems and Party B takes timely measures to deal with the aftermath, Party B will no longer be liable for breach of contract.

　　Consumers association comments:

　　The above clause 1: Through this clause, the operator obtains the right to unilaterally change the contract, which expands the scope of his own rights and violates the principle of fairness and the prohibitive provisions of the law. Travel agencies can neither reduce scenic spots nor reduce service quality by adjusting their itinerary, such as inducing, cheating, forcing or disguised forcing tourism consumers to shop or participate in paid tourism projects, driving for a long time or driving at night.

　　The above clause 2: When the service quality problem occurs, consumers have the right to choose to ask the operators to take remedial measures or compensate for the losses. This standard clause of the operators evades their own service quality guarantee responsibilities and excludes the right of claim of tourism consumers.

　　Overlord clause 5: the number of people in the group is not enough to make it. Consumers have to pay compensation when they leave the group.

　　Terms: If Party B cannot make the trip because there are not enough members of the tour group, Party B may change the date of leaving the tour group or change the category of the tour group, and Party A shall pay the fees according to the changed tour fee standard. If Party A chooses to quit the tour group, it shall bear the expenses incurred and compensate Party B for 30%-80% of the compensation.

　　Consumers association comments:This clause expands the travel agency’s right to change the contract, exempts the travel agency from the responsibility of notifying in advance when it terminates the contract, aggravates the responsibility of tourism consumers, and violates the most basic principle of equality in civil legal relations.

　　Overlord clause 6: the travel agency has the final interpretation right.

　　Terms: Party B (travel agency) has the final right to interpret this contract.

　　Consumers association comments：Legally speaking, this clause is contrary to the principle of autonomy of the will of civil legal acts. It is equivalent to that when there are differences on the agreement, the merchant can impose his will on the consumer. According to the law, when there is a different understanding of the meaning of an agreement, it should be interpreted against the provider of standard terms.

Original leon ye pinwan

Author: leon ye

Mailbox, yeliyan@pingwest.com

The official price of Samsung Galaxy Z Fold2 5G (hereinafter referred to as Fold2) is as high as 16,999 RMB, which is probably the most valuable digital product I have ever used.

As the successor model of Samsung Galaxy Fold, which was released in December last year, the Fold2 launched by Samsung only nine months ago did not attract as much attention as its predecessors. Even though the first generation of Fold has many shortcomings in products, as the first mass-produced folding screen mobile phone, the significance of its smooth sale is greater than everything else-"the first foldable screen mobile phone that can be bought" is enough to support the sky-high price of the first generation of Fold of 15,999 yuan among geek players.

Fold2, which has unloaded all kinds of "first" auras, must be examined in a more practical context. As a long-term user of the original Fold and other brands of folding screen mobile phones, I bought this Fold2 at my own expense on the day of the launch of the Bank of China out of my crazy love for all geek toys. During the National Day holiday, I used Fold2 as much as possible to replace other digital devices I have, and traveled light-the purpose is to test what Fold 2 can do and what the experience is in the second year after the folding screen device entered our hands.

A more usable mobile phone: wider external screen and stronger camera module.

No matter how it is defined, Fold2, a folding screen device, first exists as a smart phone-from my own experience, it really takes me far more time to fold and use the original Fold as a mobile phone than when it is unfolded as a tablet.

As an ordinary smart phone-this is the most lacking part of my experience when I used the original Fold in the past. The narrow external screen of the first generation of Fold makes most of the routine operations we have long been used to on mobile phones extremely difficult-typing, reading a slightly longer message, or even just pulling down the notification bar and clicking the next button to switch songs. The probability of wrong input is much higher than that of doing the same operation on ordinary mobile phones.

Fold2′ s outer screen is bigger, and most importantly, it has finally widened. The most intuitive comparison is that the width of the Fold2 outer screen is actually wider than that of the iPhone SE generation. Of course, compared with the ordinary smart phone that is nearly 7 inches now, the Fold2 outer screen is still mini, but its size absolutely ensures the usability of ordinary operations. Cheers, users who are used to full keyboard typing like me. The crazy experience when using the original Fold is gone forever.

▲ The external screen of Fold 2 is wider than that of iPhone SE generation.

Although the effect of opening the Fold2 and using the huge internal screen as the viewfinder is very shocking when taking pictures, I still use it as a mobile phone to take snapshots in the folded state in daily use. During the long vacation, in addition to scanning codes and documents, I also used it to take photos of my travels and share them on social media. As far as the proofs are concerned, although the colorful style of Fold2 is not to my taste, the imaging of wide-angle, main camera and telephoto camera is definitely more than enough for social sharing. It is worth mentioning that the phase quality of the night scene mode on Fold2 is quite good, and the progress is very great compared with the level that the original Fold is close to unusable.

▲ 1.0x main sample

▲ 2.0x telephoto proofs

▲ 0.5x wide-angle proofs

As a smart phone, thanks to the enlarged external screen and camera module with better imaging quality, the usability of Fold2 is significantly improved compared with the original Fold.

A better tablet: durable inner screen and durable hinge.

So how about unfolding Fold2 as a flat plate? We should know that the first generation of Fold media evaluation machine was collectively recalled and the sale was postponed, which was caused by the fragile internal screen and the need to improve the design. Of course, I won’t abuse the Fold2 I bought at my own expense like JerryRigEverything, but from the test results, the UTG ultra-thin glass used in the Fold2 and the improved screen frame buffer pad have enhanced the firmness of the Fold2 screen and ensured that users don’t need to protect their mobile phones too much like taking care of babies.

The durability has also been improved, as well as the hinge part of Fold2. This time, Samsung also brought a similar design in the hinge of Galaxy Z Flip, a mobile phone with the same folding screen, to Fold2, adding a small brush for dust prevention. Similarly, from the actual measurement of JerryRigEverything, the new structure has a quite good barrier effect on dust and sand.

▲ The test that you definitely won’t do proves that Fold2 is dustproof (Source: JerryRigEverything)

As far as my own short-term use experience in the past three weeks is concerned, there is no damage to the inner screen and hinge-a few scratches caused by the fierce battle of Wild Fighting only appear on the protective film pasted at the factory. This protective film, which Samsung does not recommend users to remove by themselves, may be very important for the protection of the Fold2 inner screen, but it is similar to the sticky feeling brought by rubber to fingers, which also compromises the smooth touch that the ultra-thin glass of the inner screen should have.

As a flat panel, Fold 2 removes the huge "oblique bangs" on the original Fold, uses a perforated camera design, and adopts a screen with a high refresh rate of 120 Hz and excellent impression, which can be said to have achieved a leap in entertainment experience. With dual speakers and the Flex mode brought by the hovering hinge, Fold2 is the best entertainment equipment for me when I watch games during the intermission of travel and in hotels. Among them, the new 120 Hz high refresh rate internal screen, which brings the greatest improvement to the look and feel, not only stays in fluency, but once and for all solves the problem that the left and right half screens of the original Fold are not synchronized when the refresh rate is 60 Hz.

▲ Flex mode (Source: Samsung)

It is true that Fold2, as a tablet, also needs to face the App adaptation problem common to almost all other Android tablets. But after solving the regret left by the original Fold on the screen and hinge, Fold2 has evolved into a better tablet.

A good computer: software and hardware that need to be improved

In the past three weeks, I unexpectedly enjoyed using my Fold2 as a computer-although Samsung officials did not make any publicity in this regard. During the trip, a portable Bluetooth keyboard was connected and the bracket of the fiber protective case was opened, and Fold2 became a small notebook computer. Samsung’s adaptation to multitasking on the software level is very complete, from split screen and windowing to Edge Panel side screen panels that can be exhaled at any time. Fold2, which combines all these functions, with the good endurance of the machine itself and the support for 5G, is fully qualified for the notebook role used for code words when traveling.

▲ Fold2 that I used as a laptop.

Of course, to truly become your next computer, Samsung Fold series needs more improvements-for example, Samsung must add support for first-party accessories of Fold series, including magnetic keyboard and S Pen; For example, Fold products should be allowed to directly enter the dex desktop mode like Samsung Galaxy Tab S7 after an external keyboard is connected. For example, the current Dex desktop mode still has a lot of room for improvement, and there is still a significant delay when using the scroll wheel for sliding operation, and so on.

It is completely feasible to use Fold2 as a computer now-for example, this text was written entirely on Fold2-but to make it fully competent for this role, Samsung needs to make more efforts in both software experience improvement and hardware adaptation.

Practice from Imperfect to Perfect

Even in 2020, when the price of the flagship mobile phone has already exceeded 10,000 yuan, it is still very difficult to defend any mobile phone with a asking price of nearly 17,000 yuan-but from my actual experience in the past three weeks, the functions realized by Fold2 are completely worth its seemingly outrageous price-whether Fold 2 is folded as a mobile phone or unfolded as a tablet, these two experiences are very close to the top level of these two categories. In the second year after the folding screen entered the mass production market, Fold2, as Samsung’s answer sheet, was almost perfect.

But almost perfect means still not perfect. Among consumer electronics products, computer manufacturers have also begun to try to apply folding screen technology to broaden the application scenarios of notebook computers. Will mobile phone manufacturers represented by Samsung take over the desktop torch of mobile phones that started from Motorola Atrix 4G and continue to explore and try in the direction of mobile productivity?

▲ Application of Folding Screen in Notebook Computer ThinkPad X1 Fold (Source: Lenovo)

In addition, although from the evaluation of a number of technology media and the evaluation of buyers, Fold2 has indeed been favored by technology aborigines, but the generally high price of folding screen equipment is still the biggest resistance to the public users. The entry-level version of Fold, which had been rumored for a long time and was more affordable to the people, failed to appear at this year’s Samsung Galaxy Unpacked conference. It seems that it will take time for this rapidly mature technology to enter the hands of the public.

However, it only took less than a year from the first generation of Fold to the almost perfect Fold2, which has nothing to do with the word "perfect"-and the practice of folding screen technology will not last long from the crowd to the public.

Original title: "Can the folding screen mobile phone be the main machine? I tried Samsung Fold2 on National Day.

Read the original text

　　Strive for progress, Chunhua Qiushi. In the golden autumn, the much-anticipated The 20th National Congress of the Communist Party of China（CPC） opened in the Great Hall of the People in Beijing. Cadres and people from all walks of life in Beijing Economic Development Zone listened to the live broadcast of the opening ceremony through various channels, setting off a learning craze.

　　Everyone said that the report made by General Secretary of the Supreme Leader on behalf of the 19th Central Committee was flag-raising, profound in thought, strategically located, rich in connotation, magnificent and inspiring. After listening to it, it was deeply encouraged and excited. The horn of unity and struggle for building a socialist modern country in an all-round way and promoting the great rejuvenation of the Chinese nation has sounded. As the main position of the capital real economy, Beijing Economic Development Zone should not forget its original heart and keep its mission in mind. Efforts will be made to build a "high-tech" industrial echelon, accelerate the construction of a globally influential industrial comprehensive new city benchmark, be a pioneer in the high-quality development of the capital, and make unremitting efforts to realize the Chinese dream of the great rejuvenation of the Chinese nation.

　　Build the foundation of the real economy and promote high-quality development

　　Report to the 20th CPC National Congress of the Party emphasized that high-quality development is the primary task of building a socialist modern country in an all-round way. The report pointed out that the focus of economic development should be on the real economy, new industrialization should be promoted, and the construction of a manufacturing power, a quality power, a space power, a transportation power, a network power and a digital China should be accelerated. Obviously, only by deeply realizing that high-quality development is the primary task of building a socialist modern country in an all-round way and insisting on high-quality development can we build a manufacturing power, a quality power, a space power, a transportation power, a network power and a digital China at an early date.

　　Delegates to 20th National Congress of the Communist Party of China (CPC), Party Secretary and Chairman of Goldwind Technology WISCO:

　　For more than 30 years, I have always kept in mind the mission of the party every day in the wind power industry. As a veteran of wind power industry and a practitioner of renewable energy, I am full of expectation and confidence for the next five years under the leadership of the Communist Party of China. In promoting the development of clean energy, promoting the goal of "double carbon" and the high-quality development of renewable energy industry, including wind power, Goldwind Technology will adhere to the mission of "dedicating clear water and blue sky to mankind and leaving more resources for the future" and contribute value to environmental improvement, ecological friendliness and natural harmony.

　　Jin Guangze, Party Secretary and Director of Economic Development Bureau:

　　As a pioneer of the capital’s high-quality development, Beijing Economic Development Zone must implement the new development concept completely, accurately and comprehensively, adhere to the theme of promoting high-quality development, focus on building high-tech industries, continue to promote the construction of the main platform of the Capital International Science and Technology Innovation Center, coordinate epidemic prevention and control and economic and social development, strengthen precise economic operation and dispatch, promote industrial ecology and innovative ecological construction, and continuously enhance the resilience and safety level of the industrial chain supply chain. Give full play to the positive role of the capital’s manufacturing industry as a "ballast stone", implement the major decision-making arrangements of the Central Committee and the Municipal Party Committee, and embark more firmly and confidently on a new journey of the great rejuvenation of the Chinese nation.

　　Hao Xuan, Secretary and Director of the Party Branch of Economic and Technological Development Branch of Beijing Municipal Planning and Natural Resources Commission:

　　The report puts forward a series of new ideas, new measures and new strategies for the future struggle, which is inspiring and inspiring, and points out the direction for us to plan a blueprint based on science and ensure the industrial development of the Economic Development Zone. Under the leadership of the Party, Do not forget your initiative mind, mindful of the mission, will continue to carry forward the spirit of "five cadres", persevere and persevere, and make every effort to promote the high-quality development of the planning of the Economic Development Zone, so as to create a new chapter for the construction of Yizhuang New Town and add new colors to the economic development.

　　Zhu Shanshan, Deputy Secretary of the Party Branch of the Business Cooperation Bureau and the Integrated Circuit Work Class, and Deputy Director of the Business Cooperation Bureau:

　　After listening to the report made by the General Secretary of the Supreme Leader, I was deeply encouraged and excited. In the next step, we will follow the Party with a red heart, be determined to do the industry, and make the Economic Development Zone the main position of high-tech industries and the bearing area for the transformation of scientific and technological achievements, so as to make our due contribution to China’s economic development.

　　Sun Yujun, Deputy Secretary and Deputy Director of the Party Branch of Commerce and Finance Bureau:

　　Organize all party member to thoroughly study and implement the spirit of the 20th National Congress of the Communist Party of China, and put the spirit into the future work, and use our business work, financial work and market supervision work to protect the high-quality development of the Economic Development Zone and make due contributions to the optimization and upgrading of the business environment of the Economic Development Zone.

　　Du Yayu, organizational member of the Party branch of the Science and Technology Innovation Bureau and the eighth-level host of the Science and Technology Innovation Bureau:

　　After the 20th National Congress of the Communist Party of China, we will continue to play the role of the Economic Development Zone as the main platform for the transformation of scientific and technological achievements in "three cities and one district", solidly promote various key tasks, actively build the main position of high-tech industries, unswervingly listen to the party’s words and follow the party, and contribute to the high-quality development of the Economic Development Zone.

　　Xie Guodong, Secretary of the Party Branch of Dazu Global and General Manager of Dazu Global Technology Co., Ltd.:

　　Dazu Square is one of the first acceleration zones of Zhongguancun’s scientific and technological achievements industrialization pilot base. It is committed to accelerating the transformation of the achievements of the "three cities", building a "shared science and technology industry ecosystem" led by scientific and technological innovation, and inspiring more enterprises to transform and upgrade to "specialization and innovation". In the future work, in the spirit of the 20th National Congress of the Communist Party of China, we will work out the layout, check the orientation, guide and pilot the way for our development, lead the high-quality development of the park with high-quality party building work, provide high-quality soil for the development of science and technology enterprises in the growth period with diversified product space and perfect industrial service system, and go all out to the construction wave of industrial upgrading in the Economic Development Zone.

　　Chen Zhicheng, Party Secretary and Chairman of Beijing Yizhuang International Investment Development Co., Ltd.:

　　The Party Committee of Beijing Yizhuang International Investment and Development Co., Ltd. will, in accordance with the unified arrangements of the Economic Development Zone Working Committee, take studying and implementing the spirit of the Party’s Twentieth Congress as the primary political task at present and in the future, quickly set off an upsurge of studying the spirit of the Party’s Twentieth Congress in the whole system, adhere to the guidance of the supreme leader Socialism with Chinese characteristics Thought in the new era, base on the functional orientation of Beijing Yizhuang International Investment and Development Co., Ltd., implement major national strategic projects, serve the real economy and scientific and technological innovation, and make greater contributions to the development of the capital and the Economic Development Zone in the new era.

　　Zheng Wencheng, Deputy Secretary of the Party Committee of Beijing Yizhuang International Talent Development Group:

　　Beijing Yizhuang International Talent Development Group will adhere to the principle of managing talents by the Party, persist in attracting talents globally, continue to deepen key reforms, stimulate talents’ innovation and creativity, build the main platform of an international science and technology innovation center around the Economic Development Zone and the key tasks of building the "two zones", actively plan talent development by deeply docking industrial needs, integrating talent resource elements, improve the level of talent cultivation and use, maintain the first-Mover advantage of talents, and build a highland of high-level talents for innovation and entrepreneurship in Beijing during the "Tenth Five-Year Plan" period.

　　Insist on self-reliance and self-improvement to help build a strong country in science and technology

　　Pan Zeus, Deputy Secretary of the Party Committee, Vice Chairman of the Labor Union, Secretary of the Youth League Committee and Senior Expert of SMIC (Beijing) Co., Ltd.:

　　After listening to the party’s Report to the 20th CPC National Congress, I was very excited! I will step up learning by doing and learning by doing, better grasp the industry trends, improve my working ability, serve the development of the industry, and understand the challenges facing the chip industry in China from multiple dimensions. Focusing on development, we should do a good job in party building to promote development, take the "talent 3+1 project" and "integration of production and education" as the starting point, serve the industrial talents well, and call on promising young people to join the chip industry, and devote themselves to their usual work with a sense of urgency of waiting for time and seizing every minute to do their bit for the development of the chip industry and promote the self-reliance of science and technology.

　　As a practitioner who has worked in the field of chips for 21 years, I feel that every industrialist needs to have a "two overall situations" and shoulder the historical mission of promoting high-level science and technology to stand on its own feet. I believe that under the background of global scientific and technological competition, we have the foundation, confidence, and ability to seize opportunities, advance despite difficulties, take advantage of the situation, and win the initiative, advantages and future in the increasingly fierce international scientific and technological competition.

　　Zhao Yu, Vice Chairman of Beijing Federation of Trade Unions, Chief Technician of Beijing Benz Automobile Co., Ltd. and Beijing Master Craftsman:

　　I watched the live broadcast all the time, and I was very excited. If you want to sum it up in one sentence, it is full of pride and the future can be expected! Looking back on the past ten years, we can see that there are hardships, gains, tempering and moving. In the past ten years, Beijing Benz has made great strides from traditional fuel vehicles to new energy fields, and has also ushered in the "Double Four Million Times" of vehicle and engine output step by step, which is the victory of Beijing Benz and the victory of China automobile industry. In the future, we will strictly abide by the Party’s guiding ideology, implement the spirit of the 20th Party Congress, seek long-term planning, deepen transformation and innovation, and at the same time pay close attention to our main business to truly realize "Mercedes Benz, made in China!" Corporate mission.

　　Dai Kangwei, Party Secretary and General Manager of BAIC New Energy:

　　Report to the 20th CPC National Congress’s new ideas, new theories, new ideas, new strategies and new requirements have added confidence and injected impetus into our independent innovation and brand development. At present, new energy vehicles have entered the "new track" of intelligent networking. We will be more determined to develop our own brands, fully establish market-oriented thinking, persist in deepening the supply-side structural reform as the main line, and strive to promote the development of quality change, efficiency change and power change, actively respond to various risk challenges, continuously consolidate the key core technology foundation, promote a higher level of open cooperation, and strive to achieve high-quality development of new energy in BAIC.

　　Yuan Chengyin, Director and General Manager of National New Energy Vehicle Technology Innovation Center:

　　Self-reliance and self-reliance in science and technology is the goal that every scientific and technological worker should strive to achieve. Guochuang Center will carry out its work around three main lines: first, support the core components of electrification and intelligence in the national new energy smart car industry, and promote the development of autonomous vehicle-level chips; The second is to aim at the digital power, so that digital technology can better serve the development of the automobile industry; Third, focus on the goal of "3060" and "double carbon" and develop more efficient, greener and cleaner low-carbon technologies.

　　Sunny Pan, Party Secretary of Yuekang Pharmaceutical Group:

　　Yuekang Pharmaceutical will seriously study and implement the spirit of the 20th Party Congress, persist in innovation and development, stick to the initial intention of the industry, shoulder the mission of building a healthy China, put people’s health and happiness in mind, and work together with all walks of life to draw a new blueprint for the cause of healthy China!

　　Shang Xiaoli, the person in charge of the rationalization of the second manufacturing process of SMC (China) Co., Ltd. and the national model worker:

　　In the future, I will base myself on my post, constantly improve my work style of striving for perfection, deeply plant the spirit of model workers in every link of my work, patiently and meticulously make every product, and actively contribute to the development of China’s advanced manufacturing industry with practical actions.

　　Ge Shuxin, Minister of Electric Manufacturing Department of MCC CCID:

　　With excitement, I watched the live broadcast of the opening meeting of the 20th Party Congress. As a member of MCC CCID Electric, I am mainly engaged in the research and development of power electronics and electrical drives, and developed high-voltage frequency converters, high-voltage UPS and other products needed by metallurgical industry. From "catching up" to originality, under the guidance of Party construction, MCC CCID Electric insists on independent innovation and has entered the "no man’s land" in many R&D fields so far. Next, we will further study and implement the spirit of the 20th Party Congress, forge ahead, overcome difficulties, create the future with hard work, firmly grasp the technological innovation of core equipment in our own hands, and help transform and upgrade the robots and intelligent manufacturing industries in the Economic Development Zone. In the future, new and greater miracles need us to strive to create, and new and greater victories are waiting for us to win.

　　Lany, Secretary and Chairman of Beijing Hongcheng Innovation Party Branch:

　　The Party’s Report to the 20th CPC National Congress outlined the general blueprint and issued the strongest voice of the times! This is a new era of pride and pride! As scientific and technological workers in the new era, we should earnestly shoulder the new mission and task entrusted by the new journey.

　　在经开区信创产业政策支持中，宏诚创新作为一家生物安全及军事物资数智化管理服务商，在材料、算法、射频模组等方面形成矩阵式突破，牵头制定国内血液射频识别首个技术标准，并于2022年推出进口替代的“宏诚芯模组”，助力国家新基建和生物安全战略落地。接下来，宏诚创新全体员工将认真落实党的二十大精神，自信自强、守正创新，踔厉奋发、勇毅前行，立足物联网关键技术自主可控，保障生物安全，服务国防建设，驱动产业数智化升级，筑牢科技强国建设的担当，为支撑国家生物安全战略落地贡献力量。

　　中建电子信息技术有限公司党委副书记、总经理于淼：

　　中建电子的首要任务是实现高质量发展。作为中国建筑旗下的一家信息技术产业支撑的企业，中建电子在实现高质量发展方面，一直是不遗余力地全面推进。同时，在科技自立自强方面培养更成熟的团队，在科研攻关方面做出更多科技创新的产品和专利，在智慧城市、智慧之家等领域寻求突破。心怀梦想，脚踏实地地把产品做好，不断提升客户的满意度，加快实现企业的高质量发展。

　　万源科技所属拓扑公司常务副总经理、中国运载火箭技术研究院劳模、宫建华劳模工作室带头人宫建华：

　　看了党的二十大开幕会直播心情特别激动，感受到了中国日新月异的变化。作为一名党员、一名航天人，对祖国在航空航天领域取得的突破倍感自豪。10年来，航天万源在航天科技集团和火箭院的领导下，在军工电子、网信融合和智能制造方面取得了较好成绩，尤其是在探月探火等国家重点项目中贡献了力量。接下来，沿着党的二十大指引的方向，我将依托劳模工作室，带领技术团队在技术研发、创新应用上持续深耕，为航天强国继续贡献我们的力量，争取成为行业领头羊。

　　为党育人为国育才办好人民满意的教育

　　最高领袖总书记在报告中提到我们要建设教育强国，坚持为党育人，为国育才，要办好人民满意的教育。

　　社会事业局副局长王雪青：

　　党的十八大以来，党中央高度重视教育事业，始终把教育放在优先发展的地位。经开区这些年对教育的投入力度非常大，包括对师资的吸引与培养，不断为学校创造更好的办学环境，为学生创造公平的教育机会。我们组织经开区各中小学的校领导一起来观看党的二十大开幕会，也会组织大家一起进行讨论。在这一阶段，经开区所有学校的干部、老师要以党的二十大召开为契机，深入学习党中央的各项文件精神，并贯彻落实到我们的各项工作当中。

　　人大附中经开学校、人大附中亦庄新城学校校长王教凯：

　　我们学校组织全体党员、部分团员代表以及少先队员代表一起观看党的二十大开幕会，全校教职工都在热议并积极响应、落实党的二十大精神。在今后的工作中，学校也会更好地站在为人民服务的立场上，做人民满意的教育，把党的大政方针落到实处，让经开区的群众享受到更优质的教育。

　　北京亦庄实验中学党委书记、校长徐友礼：

　　我们要在全面深入学习的基础上，积极投身到教育强国建设的伟大事业中，充分发挥在课程、师资、机制方面的优势，全面贯彻党的教育方针，大力实施素质教育，主动服务人才强国战略，在拔尖创新人才培养方面大胆探索，进一步凸显“数理?智能”的优势和特色，在教育现代化新征程上走在前列。

　　大兴区政协委员、北京市大兴区亦庄第四幼儿园党支部书记、园长谭亚静：

　　最高领袖总书记作的报告催人奋进，作为一名教育人、一名基层党员，在奋进新征程的号角里，将更加坚定为党育人、为国育才的责任使命，坚持在党的领导下，全面落实党的教育方针，探索高质量教育实施路径，努力办好人民满意的教育，为建设科技强国、人才强国、创新驱动发展等贡献力量。

　　乘风化雨沁心田凝聚奋进之力

　　总工会党支部书记、主席安春玲：

　　下一步，经开区总工会将切实把思想和行动统一到党的二十大精神上来，始终坚持党对一切工作的领导，将政治属性摆在第一位置，立足新形势新要求，深化工会、共青团、妇联群团组织改革创新，有效发挥桥梁纽带作用。把学习贯彻大会精神与创新推动工青妇工作紧密结合起来，通过实施职工凝心聚力工程、实施建功立业工程、实施和谐劳动关系建设工程、实施职工服务精准化工程、实施“职工之家”创建工程，把奋进激昂的大会精神贯彻到工青妇工作的全过程，进一步凝聚起经开区群团工作的奋进力量，为推动经开区和亦庄新城高质量发展而不懈奋斗。

　　党群服务中心主任康井泉：

　　党群服务中心和工委党校将把学习宣传贯彻党的二十大精神作为重要政治任务，在干部培训、理论宣讲、科研资政、亦企成长计划、服务企业党建发展等各个方面，将党的二十大精神落到实处，并形成生动实践，为升级版经开区和亦庄新城建设贡献力量！

　　北京市政协委员、北京市名谦律师事务所主任马元颖：

　　听完最高领袖总书记作的报告，让我们对未来充满信心。相信无论未来世界风云如何变幻，无论遇到什么样的艰难险阻、惊涛骇浪，只要相信党，依靠党，听党话，跟党走，定能排除万难，实现第二个百年奋斗目标，实现中华民族伟大复兴。

　　增进民生福祉满足人民生活新期待

　　社会保险保障中心主任张小戎：

　　作为社会保险保障中心负责人，我将在经开区社会保险保障服务岗位上，围绕党的二十大确定的方向和目标，为增进民生福祉、提高人民生活品质勇担重任，履行保障职责，服务好职工百姓，做出基层工作者的一份努力。

　　荣华街道工委副书记、办事处主任路畅：

　　我们集体收看了党的二十大开幕会，大家感到非常激动和振奋，也备受鼓舞。街道的全体党员干部，会把学习贯彻落实党的二十大精神作为一项重要任务，不忘初心，不负使命，为第二个百年奋斗目标的实现贡献力量。

　　博兴街道工委书记吴伯军：

　　作为一名基层党员干部，我将和街道同志们一起深入学习领会党的二十大精神，勤政为民，扎实工作，以实际行动为第二个百年奋斗目标的早日实现，贡献出我们应有的力量。

　　亦城茗苑社区党支部副书记董颖：

　　总书记的报告振奋人心，作为一名党员，一名社区工作者，今后要继续发挥党员作用，从居民的幸福感、获得感上下功夫，传递正能量，永做一名合格党员。

　　北京北燃港华燃气有限公司总经理刘晓刚：

　　听了最高领袖总书记作的报告，心情非常激动。北燃港华作为城市运行保障单位，对于燃气安全，我们将不断增强忧患意识、防微杜渐，坚决守住安全底线。

　　立足本职工作笃行不怠跟党走

　　营商合作局与集成电路工作专班联合党支部书记、营商合作局局长任鸣晨：

　　新时代呼唤新作为，新征程需要新担当。作为联合党支部书记，我将牢记初心使命，带领全局同志在打造“党建带招商、招商促党建”新格局的道路上笃行不怠、勇毅前行，不断探索党建新模式，优化营商环境，为经开区的高质量发展贡献力量。

　　行政审批局经济审批处处长张勇：

　　作为一名在基层工作岗位上的审批服务人员，学习领会党的二十大精神，就是要在实际工作中将党的二十大精神融入思想、化为实践，贯穿于工作的各个方面，不辜负经开区工委、管委会的嘱托和希望，为经开区企业和群众提供更好、更优质的服务。

　　综合执法局综合执法五队党总支副书记、副队长彭懿明：

　　党的二十大报告一个个振奋人心的数字、一项项求真务实的举措，振奋人心、催人奋进，让我再一次坚定了理想信念。下一步，我将深入学习党的二十大精神，立足综合执法主责主业，围绕中心，讲求实效，强力推进城市管理精细化、综合执法规范化、队伍建设精专化，认真履职尽责，为宏伟蓝图实现贡献力量。

　　尚亦城（北京）科技文化集团有限公司党委组织部部长黄自稳：

　　聆听了最高领袖总书记作的报告，倍感振奋、备受鼓舞，作为基层党员，我们一定深入贯彻落实党的二十大精神，弘扬伟大建党精神，为实现第二个百年奋斗目标贡献自己的力量。

　　经开区疾控中心流调组组长李敏：

　　观看聆听了党的二十大开幕会，深感鼓舞。作为一名党员同时也是疫情防控一线人员，在以后的工作中更要立足自己的岗位发光发热、担当作为，全力做好疫情防控工作，为确保人民群众生命安全和身体健康做出应有的贡献。

　　北京振国中西医结合肿瘤医院党支部副书记、执行院长孟凡辉：

　　听了最高领袖总书记作的报告，深感骄傲，备受鼓舞。作为一名医务工作者，今后我将更加努力，为实现第二个百年奋斗目标贡献力量，为实现健康中国贡献力量。

　　经开区交通大队民警彭磊：

　　未来我要以本职工作为基础，造福每一位交通参与者，为给广大市民群众创造良好的交通秩序和安全环境做出应有贡献。

　　消防救援支队组织干部科科长唐宇泽：

　　我们将深入学习领会党的二十大精神，始终在政治上、思想上、行动上同党中央保持高度一致，将党的二十大精神和消防救援事业结合起来，进一步坚定队伍发展的信心和决心，保持砥砺奋进、锐意进取的工作状态，练就过硬本领，以新时代奋斗者、消防人的姿态和干劲，做好党和人民的“守业人”。

　　反特巡支队三中队张建辉：

　　作为一名共产党员，一名人民警察，有幸赶上这百年盛事，见证党的二十大胜利召开，深感激动和骄傲。在今后的工作中，我一定不忘初心、牢记使命，坚持做到对党忠诚、服务人民、执法公正、纪律严明，全心全意为增强人民群众的获得感、幸福感、安全感而努力工作，坚决完成党和人民赋予的使命任务，为首都公安事业做出自己最大的贡献。

　　践行工匠精神建设更多重点工程

　　中建二局安装公司投影光刻机曝光光学系统研发及批量生产基地项目总工程师裴根极：

　　观看党的二十大开幕会直播让我心潮澎湃，信心倍增。这五年，我国各项事业飞速发展，作为一名建设者，很荣幸地见证了多个重大工程的诞生。对于我们工程一线建设者来说，更要牢记使命，永远跟党走，在岗位上发光发热，秉承工匠精神，创新突破，扎实推进项目建设方案优化，积极研发新工艺、新技术，让更多科技成果落实落地，不断推进企业高质量发展。

　　中建-大成北京亦庄生物医药标准厂房二期项目党支部书记戴浩：

　　作为项目党支部书记，我将坚持党的领导，筑牢理想信念，深化理论学习，将党的二十大精神融入到项目建设全过程。聚焦主责主业，深耕精益建造。凝聚意识、统一信念，以中国特色社会主义为核心，以党建为引领，带领项目全员共同努力，踔厉奋发，砥砺前行，高质量完成项目各项目标，高标准落实安全防控任务要求，以更高的责任感、使命感投身建筑行业，打造出更多的基建项目、精品工程。

　　坚守平凡岗位创造美好新生活

　　“光荣在党50年”老党员杨子儒：

　　观看了党的二十大开幕会，很受鼓舞。我作为一名老党员，要始终坚持“永远跟党走”，永远不忘党的宗旨，不忘初心、力所能及地为社会、为党的事业奉献余热。

　　亦城茗苑社区老党员王起春：

　　怀着激动的心情，在社区服务站与大家一起观看了党的二十大开幕会。听了总书记的报告倍感振奋，作为一名老党员，我今后就是要做到党在我心中，永远跟党走。

　　下沉干部戚露丹：

　　我觉得青年人和祖国是共同成长的，作为一名党员和下沉干部，希望今后能以更高的标准来要求自己，更加尽心尽力地做好本职工作。

　　卡尔百丽社区保安邹明：

　　观看了党的二十大开幕会，感到非常激动和振奋，今后我将继续做好本职工作，以更加自信昂扬的精神风貌和奋进姿态做好社区的安全守护工作。

　　博兴路顺丰站点快递员姜东：

　　听了总书记作的报告，感到十分振奋。我会在今后的工作中充分发挥党员模范带头作用，服务好居民，为建设美好社会贡献自己的力量。

The new semester is about to begin.

Summer and autumn alternate, crowds gather and children’s resistance is poor.

May cause a latent chicken pox outbreak

Vaccinate against chickenpox

Is the most effective means of prevention.

recent days

Municipal Health and Health Commission, Finance Bureau and Education Bureau

And the market supervision bureau jointly issued

"Forwarding about among children aged 7-12 in the province"

Develop live attenuated varicella vaccine

Notice of Free Vaccination Work

Will the city’s children aged 7-12

Included in the live attenuated varicella vaccine for free vaccination.

Questions and Answers about Chickenpox and Vaccination

Let’s watch it together

↓↓↓

What is chicken pox?

Chickenpox is an infectious disease caused by varicella-zoster virus with fever and rash as the main manifestations, which is mainly transmitted through respiratory droplets and direct contact.

Chickenpox is highly contagious and should be isolated immediately after infection. The isolation time is generally not less than 14 days after the onset from the beginning of rash to the scabbing of all varicella and herpes.

Both children and adults will be infected with chickenpox. At the time of initial infection, they all showed fever and rash. Adults get chickenpox, the symptoms are generally more serious than children, and the risk of complications is higher.

How to inquire about the vaccination history of children’s live attenuated varicella vaccine?

1. Find the child’s vaccination certificate and check the vaccination history of live attenuated varicella vaccine.

2. Parents can search for "Jiangsu Vaccination" in the Android APP Market/Apple App Store, download and install the app, and directly view it online after binding the children’s file information, saving time and effort. There are three points to note: 1. When binding files, the mobile phone number needs to be consistent with that kept by the children’s vaccination clinic. If the mobile phone number is changed, it needs to be updated at the children’s vaccination clinic before binding; 2. If children from other provinces need to go to the inoculation unit to complete the filing and then use the online inquiry function; 3. Children who have not registered their ID cards at the time of filing need to go to the children’s vaccination clinic to re-record their ID cards before they can view them.

3. Offline query

If the vaccination certificate is lost, parents can bring their children’s ID cards (or household registration books) directly to the children’s vaccination clinic in their jurisdiction to ask the staff, and they can also telephone the vaccination clinic in their jurisdiction.

Click on the text to view the information list of Yancheng Children’s Vaccination Clinic. Besides vaccination, what should I pay attention to in preventing chickenpox?

Step 1 control the source of infection

Patients with varicella need to be isolated from the eruption to the scab of all varicella herpes.

2. Cut off the route of transmission

Open the window regularly for ventilation, wash your hands frequently, gather less, and wear a mask when going out. Avoid contact with children with chickenpox and elderly people with herpes zoster.

3. Protect vulnerable groups

Exercise more at ordinary times, eat more nutritious food, work and rest regularly, get enough sleep and improve your resistance.

Source: Yancheng CDC Micro Health Nanjing Center for Disease Control and Prevention Yancheng released a comprehensive slide to see the next touch to read the original text.

Jiangsu Binhai released slide up to see the next one.

Original title: "Attention! Free vaccination! 》

Read the original text

1905 movie network news 　The sci-fi animated film, which was adapted from runaway comic script, produced by first-class foreign teams and dubbed by teachers Feng Yuanzheng and Shi Banyu, was released nationwide on July 19th. As early as last year, Future Machine City was bought by Netflix (Netflix), a global streaming media giant, for overseas distribution rights at a record high price. At the same time, it has also been nominated for the Annie Award, which is known as the "animated Oscar", and competed with other outstanding works such as Superman Attack Team 2.

At the beginning of this year, at the award ceremony of "2018kidscreen awards" known as "Children’s Oscar", "Future Robot" won two awards, namely, the best cartoon and the best design. Such bright results made the film get high attention before it was released, and it became the most anticipated animated film this summer. At present, the film has been shown in national cinemas.

The perfect combination of reality and imagination, retro futuristic style is amazing.

"Future Machine City" tells a touching story of a little girl and a robot taking risks side by side and gaining growth in the future world. Today, the film released a special overseas production. In the video, director Joe Casad and Joe Ksander expressed their love for the work "Future Machine City" in front of the camera. "Future Machine City" discusses the meaning of loneliness, how to find your own friends, how to face the problems in the growth process, and the aerial atrix picture of the robot, which is a perfect combination of plot and picture. "

In the movie, the setting of the future city "Midu" is very amazing. The endless skyscrapers, buildings with both Chinese and western characteristics, and the design of articles are bizarre but based on reality, which makes the audience feel surprised while watching and feel deja vu. Director Joe Casad explained to us that this design is called retro future wind. "Retro future is like people’s imagination of 2017 in 1978." At the same time, the smart phone we use in modern times has been replaced by the more versatile housekeeper robot "Q Bao" in "Future Machine City". Director Joe Casad said that "Q Bao is an all-round player who never leaves his body with one hand, and even spends too much time on Q Bao instead of spending time with his family." From this point of view, the setting of "Q Bao" in the film is also to allude to the social problem that modern people rely too much on electronic products and ignore the emotional communication between anyone. I have to admire the imagination and intention of the creative team.

Each robot in Future Robots has its own personality and appearance characteristics, which can make the audience feel that they are produced by different companies. At the same time, the team referred to many home machine design styles in the 1970s, such as metal edging and black plastic materials, which made the film reflect a unified "retro future style" from the whole to the details.

The design of the movie characters is careless, and the puppy bun wins the director’s favor.

In order to design a good character image, designers need to have a deep understanding of the character and experience of the character. Su Xiaomai, the protagonist, grew up in a single-parent family. She has no friends, can’t communicate with her mother and is disgusted with everything around her. Therefore, in the design of the role, the designer chooses exaggerated hairstyle and purple hair color to reflect her rebellion. The freckled face always has a world-weary expression, and the sporty clothing also makes her look more flexible and light in action. As a military robot, Robot 723 is naturally equipped with weapons. The arms, shoulders and back are all equipped with plasma cannon and laser weapons. In order to have more emotional interaction with human beings in movies, 7723 is also set as a robot that can learn, distinguish good from evil and think like us. The image prototype of Su Xiaomai’s pet dog bun is a French bulldog, and its small body is very cute. At the same time, in order to reflect its grumpy temper, the founders also specially designed a big head that is very uncoordinated with the proportion of the body. Director Kevin Adams said, "It’s really super cute. It’s simply the most popular character in the whole film." Words can’t hide their love for this role.

Two directors, Joe Casad and Kevin R. Adams, get inspiration from many live-action sci-fi movies they have seen in the past, and add their own innovations and styles to make Future Machine City different from other animated films. At the same time, they also hope to break the previous prejudice against the aesthetic differences between the East and the West and present a work that all audiences can like.

In the special edition, Joe Casad said that in addition to the visual effects, the film also has a very emotional part in the plot. "This is a movie that I have always wanted to do." The film contains the affection between Mai and his mother, the friendship with the robot 7723, and the elements of action and comedy. The director Joe Casad said happily, "We can finally tell a story about this. Director Kevin R. Adams also expressed the hope that this work would make the audience resonate with laughter and screaming.

The film "Future Machine City" began to be planned in 2014, and the script was revised for more than 100 versions before and after, and it was not finalized until 2016. The production special of this exposure also shows us the first-class level and attentive attitude of the behind-the-scenes team. With the help of science and technology, the film finally presents us with a touching story with oriental family style. The problems about "family" and "companionship" reflected in the film are very profound and worth thinking about by every parent.

Ada can’t bend down to shoot a passionate play for fear of rumors.

　 　 On the same day, as soon as Liu Yan appeared on the scene, she was snapped by the media. The red plastic tight skirt was her style in the film. This dress was tailored for her by Ladygaga’s fashion designer. Ada revealed: "In fact, there are two clothes, and the other one can’t be worn at all. This one can be worn for everyone." It’s just that this dress is very effective in bursting breasts, but it is difficult for Ada to breathe that day. Before sitting down, he must inhale and abdomen, and he must stand up straight and basically can’t bend over.

　 　 Not only is the modeling in the play so sexy, but Ada also revealed that she shot a large-scale passionate drama. "In fact, the modeling is all right, but when it comes to the passionate drama with Song Ning, I am embarrassed. Up to now, we are very embarrassed to meet." Song Ning said he was not as embarrassed as Ada. "It’s all natural things, but I’m actually quite happy. (Laughter) "But Ada was eager to explain that the relationship between her and Song Ning was purely working." In fact, the passion part was just acting, and I had nothing to do with Song Ning in private. If everyone felt the enthusiasm of the two of us in the play, it was just a good play. "

　 　 She also said that she didn’t have many scenes in the film, and she didn’t want the audience to think that there were many love scenes in the "Twelve Constellations" because of her participation. "I hope everyone won’t be biased in understanding this film because of my appearance." Ada also denied that he had any advantages, "My advantage … … I hope it’s not the advantage that everyone thinks. I don’t want to be stereotyped. I have to keep acting to give myself ‘ Wash white ’ 。”

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