radiorelay communication

例句：

1. 1. The new satellite system uses radio relay communication to transmit data between the ground stations.
   新的卫星系统使用无线电中继通信在地面站之间传输数据。
2. 2.The military used radio relay communication during World War II to communicate with their allies across the ocean.
   第二次世界大战期间，军队使用了无线电中继通信来跨洋与盟友进行通信。
3. 3. In this case, the radio relay communication was crucial for maintaining a secure line of communication.
   在这种情况下，无线电中继通信对于保持一条安全通信线路至关重要。