“阿波罗”工程（下）□林冬“阿波罗”飞船根据预定的登月方案，整个飞行过程共有８８个步骤，特别是在轨道上进行交会对接，实现登月并安全返回，这就要求登月飞船不仅需有防高温、防辐射而又坚固轻巧的外壳，更要有高度精确可靠的推力系统、控制和导航系统、稳定系统、... “Apollo” project (below) □ Lin Dong “Apollo” spacecraft According to the scheduled lunar landing program, there are totally 88 steps in the flight process, especially the rendezvous and docking on the track to achieve the lunar landing and the safe return, which requires The lunar spacecraft not only needs high-temperature, radiation-proof and rugged housing, but also has a highly accurate and reliable thrust system, control and navigation system, stable system, ...