{近地轨道调整轨道绕地球飞行载人航天mannedspaceflight多人多天太空飞行multi-mannedandmulti—dayspaceflight载人航天计划mannedspaceprogram航天飞机spaceshuttle载人飞船mannedspaceship/spacecraft无人飞船unmannedspaceship/spacecraft试验太空船ExperimentalSpacecraft多级火箭multistagerocket太空舱capsule(返回式卫星recoverablesatellite通信卫星communicationsatellite太阳同步轨道卫星satelliteinSun一synchronousorbit同步轨道卫星geosynchronoussatellite遥感卫星remotesensingsatellite运载火箭carrierrocket;rocketlauncher长征二号F运载火箭LongMarchIIFcarrierrocket有效载荷能力payloadcapabilitylowEarthorbitfine-tuneorbitorbittheearth气象卫星weathersatellite/meteorologicalsatelliteannedspaceflight多级火箭multistagerocket太空舱capsule运载火箭carrierrocket;rocketlauncher有效载荷能力payloacapability绕地球飞行orbittheearth气象卫星weathersatellit/meteorologicalsatellitesatellitinSun-synchronousorbitgeosynchronoussatellite轨道舱orbitalmodule返回舱re—entrymod