air-to-ground communication

• 空对地通信

air-to-ground communication的用法和样例：

例句

1. The VLF Through-the-Earth Communication system is recognized as the most reliable way of conveying dispatching information due to its special transmission media.
   由于大地信道稳定，低频透地通信被认为是最可靠的救急通信方式。