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- Propulsive EDTs could thus serve as space tugs to move payloads in LEO to a higher orbit or to counteract orbital decay. 推进式EDT因此可以做为太空拖曳船，将位在LEO的酬载移到较高的轨道或抑制轨道逐渐降低。
- The concept of the method is clear. The assumption and the processing are in accord with the resolving range of the observed orbital decay rate. 本方法概念清楚,近似假设和处理与实测规道衰变率的分辨率范围一致。
- Scientists found that the researchers monitoring and maintaining the satellites had failed to account for orbital decay. 科学家发现监控与保养人造卫星的研究员没有考量轨道衰败这项因素，
- Controlled Orbital Decay and Input System 受控轨道衰减与输入系统
- What made the Roman Empire decay? 罗马帝国为何衰亡？
- Old civilization may fall into decay. 古老的文化可能会渐渐衰落下去。
- The empty house has fallen into decay. 那座空房已成一片颓垣。
- The tree exhibited signs of decay. 那棵树显示腐蛀的迹象。
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- His mental decay is distressing. 他的智力衰退令人苦恼。
- Growth and decay are vital processes. 生长和衰亡是生命过程。
- The dentist could detect no decay in her teeth. 牙医检查了她的牙，未见有龋齿。
- Cavities in teeth are caused by decay. 牙齿的蛀洞是由蛀蚀造成的。
- The space shuttle will orbit a weather satellite. 太空梭将把一个气象卫星送入运行轨道。
- The launch vehicle lifts the satellite into orbit. 太空火箭将人造卫星送入运行轨道。
- Human remains, especially after cremation or decay. 骨灰人的遗骸，尤指在火化或腐烂后
- Something of circular form; a circle or an orbit. 圆形物体圆形物体; 圆圈或环形轨道
- A source of spreading corruption or decay. 腐败的原因传布腐败或腐朽的根源
- The spacecraft is in orbit (ie moving in orbit) round the moon. 该航天器在绕月球轨道上飞行。
- Breakdown or decay of organic materials. 腐烂; 分解指有机物的分解或腐败
