relay earth station

基本解释

The 2016 satellite would act as the surface vehicle's data-relay station to get its pictures and other information back to Earth.
2016年发射的卫星届时将采集星球表面登陆相关数据，观测站会将图片和其他信息传回地球以供分析。
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The forward link is the signal retransmitted from earth station to relay satellite, then transmitted the TT&C to the user aircraft.
前向链路指地面站经数据中继卫星转发信号，向用户航天器（包括成像侦察卫星、航天飞机与载人飞船等）发送跟踪、遥测与控制指令。
Satellite - A radio relay station that orbits earth. A satellite communications system also includes earth stations which communicate with each other via the satellite.
卫星- 绕地球运转的一个无线电转发站，卫星通讯系统还包括每个通过卫星进行通讯的地面台站。