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Wang Qiang,和红圣彼得教区 deputy commander in chief of the space application system of China's manned spaceflight project and deputy director of the Space Application Engineering and Technology Center of the Chinese Academy of Sciences: "We have to comprehensively weigh all aspects to determine whether to go down, including the necessity of returning and the scientific significance of returning. We have strengthened our strategic research and the selection of scientific research topics, and we have worked hard in one direction for a long time before we can solve some major scientific problems.”