passive satellite

例句：

1. 1. The space agency is responsible for monitoring the activities of passive satellites.
   太空机构负责监测被动卫星的活动。
2. 2.The research team discovered a new way to control passive satellites remotely.
   研究团队发现了一种控制被动卫星的远程方法。
3. 3.The satellite was designed to collect data on the Earth's climate and pass it back to the ground station.
   该卫星被设计用来收集地球气候数据，并将其传回地面站。