轨道天文观测台  body former

轨道天文观测  orbiting astronomical observation

天文轨道观测站  orbiting astronomical observatory; OAO

高能观测天文台  high-energy astronomical observatory (HEAO

轨道天文台  OAO; orbiting astronomical observatory

高级轨道发射操作  advanced orbital launch operation

高能天文观测站  high energy astronomy observatory

轨道观测者  moonwatcher

轨道-轨道  rail-to-rail

环赤道轨道[天]  equatorial orbit

太空轨道观测卫星  OAO Orbiting Astronomical Observatory

大地天文观测  geodetic astronomic observations; geodesy astronomic observation

红外天文观测  infrared astronomy observatory; infrared astronomy observation; IR astronomical observation

球载天文观测  balloon-borne astronomical observation

天文观测  astronomical observation; astronomical sight; celestial observation; astronomical; astronomical observations

天文观测舱  astrodome

天文观测目镜  astronomical eyepiece

天文观测设备与技术  astronomical facilities and technique

天文观测设备与仪器  instruments and techniques