spacecraftn.宇宙飞船spacecraft navigation aids航天器导航辅助Spacecraft Command Encoder航天器指令编码装置Spacecraft Systems Monitor航天器系统监控器spacecraft recovery system航天器回收系统spacecraft thermal control太空飞行器热控制spacecraft carrying people载人宇宙飞船spacecraft flight mechanics航天器飞行力学Spacecraft formation flying编队飞行spacecraft flying mechanics航天器飞行力学spacecraft formation flight卫星编队飞行