Satellitesn.卫星；人造卫星名词satellite的复数形式.satelliten.卫星；人造卫星satellite planning卫星计划编制Satellite carrying卫星搭载satellite sequence随体序列satellite-guidedadj.卫星制导的satellite recovery卫星回收satellite bus line辅助总线satellite grouping卫星分群satellite sounding卫星探测satellite receiver卫星接收器satellite lifetime卫星寿命

1. Planetary gear systems are also used in many automatic transmissions.
   行星齿轮组也同样用于许多汽车变速器中。
2. The bike chain drives a sun gear on the rear axle, which transmits power to planetary gears situated around it.
   自行车的链条会驱动后轮轮轴上的太阳齿轮，将动力传送到四周的行星齿轮。