spacecrafts航天器spacecraftn.宇宙飞船Spacecraft Orbital Motion Around Asteroids飞行器围绕小行星的轨道运动Spacecraft rendezvous and docking technique航天器交会对接技术Spacecraft System Integration Support Service航天器系统综合支援勤务Spacecraft Operational Readiness Exhibit System太空船操作待机状态展示系统Spacecraft Prelaunch Automatic Checkout Equipment航天器发射前自动检查设备SPACECRAFT INSTRUMENT ENVIRONMENT RELIABILITY TEST航天器单机级环境可靠性试验