parking orbit
柯林斯词典
1. N an orbit around the earth or moon in which a spacecraft can be placed temporarily in order to prepare for the next step in its programme 宇宙飞船暂泊轨道
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1. N an orbit around the earth or moon in which a spacecraft can be placed temporarily in order to prepare for the next step in its programme 宇宙飞船暂泊轨道