Hydrological Communications Satellite

• 水文通信卫星

Hydrological Communications Satellite的用法和样例：

例句

1. Communication satellites are an example.
   通信卫星是一个例子。
2. Transmission can be done by cable, radio frequency and satellite.
   传递可通过海底电缆，无线电波和通信卫星来进行。