What are Qian Xuesen's outstanding contributions? What recognition did you get?

1955 returned to China. 1955 to 1964, director and researcher of the Institute of Mechanics, Chinese Academy of Sciences, and director of the Fifth Institute of the Ministry of National Defense. 1965 to 1970 served as deputy minister of the seventh Ministry of Machinery Industry. 1970 to 1982 served as deputy director of the science and technology Committee of the commission of science, technology and industry for national defense and vice chairman of the China association for science and technology. He has served as the first and second director of China Automation Society, honorary president of China Aerospace Society, China theoretical and applied mechanics Society and China Systems Engineering Society, executive director of the Presidium of China Academy of Sciences, and member of the Department of Mathematics and Physics. 1986 to 199 1 May, served as the chairman of the third National Committee of China Association for Science and Technology. 1991may was elected honorary chairman of China association for science and technology at the fourth national congress. 1April, 1992, was appointed honorary chairman of the Presidium of China Academy of Sciences. /kloc-0 was elected as an academician of China Academy of Engineering in June, 1994.

Thanks to Qian Xuesen's return to China, China's missile and atomic bomb launches were at least 20 years ahead of schedule. Main contributions: ① Applied mechanics.

② Jet propulsion and space technology

③ Engineering cybernetics ④ Physical mechanics

⑤ System engineering

⑥ System science

⑦ Thinking science ⑧ Human body science ⑨ Science and technology system and Marxist philosophy.