As the satellite received a signl from a ground or earth station , a communications complex that transmitted and received satellite signals, it telayed its own signal to earth.
地面站是传送/接收卫星信号的通信设备，卫星接收来自地面站发送的信号后，再将其信号传送给地球。
youdao
应用推荐
模块上移
模块下移
不移动