Liu He, member of the Political Bureau of the CPC Central Committee and vice premier of the State Council, attended and addressed the opening ceremony of the 16th academician conference of the Chinese Academy of Engineering on the morning of May 30. The Chinese Academy of engineering is an important part of the national strategic scientific and technological force. Academicians have played an important role in serving the national scientific decision-making, promoting the innovative development of Engineering Science and technology, and supporting economic and social development. Liu he stressed that in accordance with the requirements of "epidemic prevention, economic stability and development safety", we should strengthen research in several aspects on the basis of doing a good job in the existing work. First, speed up research on epidemic situation. We will strengthen research on virus mechanisms and research and development of vaccines and drugs, and conduct in-depth research on the major changes facing human epidemics. The second is to ensure the smooth supply chain of the industrial chain. Supplement the basic software, core hardware, basic raw materials and other outstanding weaknesses. Third, attach importance to science and technology to ensure food security. Speed up biological breeding, strengthen land protection and transformation, and improve the efficiency of fertilizer production and use. Fourth, improve energy security based on resource endowment. We will improve the level of resource exploration and development, pay attention to the research and development of technologies such as coal to oil to gas and smart grid, and promote the development of green and efficient new energy. Fifth, strengthen the research on network information technology. Ensure the controllability of the network technology system, strengthen the research and development of artificial intelligence technology, and attach importance to technological innovation such as blockchain and digital currency. Sixthly, explore how science and technology can help urban management. Explore more scientific urban planning and layout and smart city technology path, and study urban operation and dispatching in extreme cases in combination with epidemic prevention and control. (Xinhua News Agency)