向地球传送信号的人造卫星；为保持有效的稳定围绕地球在同一轨道旋转

向地球传送信号的人造卫星；为保持有效的稳定围绕地球在同一轨道旋转的英文翻译

基本释义

• an artificial satellite that relays signals back to earth; orbits at the same rate the earth turns and so remains effectively stationary