我国载人航天工程是经过“863”的论证,于1992年由中央批准正式立项。立项时中央明确了中国载人航天“三步走”的发展战略:第一步突破载人航天基本技术,建成初步配套的试验性载人飞船工程,开展空间应用试验;第二步突破交会对接技术,建立空间实验室,解决一定规模的、短期有人照料的 China’s manned space project is the result of “863” demonstration, which was officially approved by the Central Government in 1992. At the time of establishment, the Central Government made clear the development strategy of China’s manned space flight “three steps”: the first step is to break through the basic technology of manned spacecraft and build a preliminary supporting experimental manned spacecraft project to carry out the space application test; the second step is to break through Rendezvous and docking technology, the establishment of space laboratory, to solve a certain scale, short-term care