Satellite - A radiorelaystation 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。
2
Multi-jump connection radio communication system and source station, relay station, destination station and control signal.