VHF channel

例句：

1. 1. The radio station uses VHF channels for emergency broadcasts.
   这个电台使用甚高频频道进行紧急广播。
2. 2.The pilot was instructed to use VHF channels when communicating with the tower.
   飞行员被指示在与塔台通信时使用甚高频频道。
3. 3. The VHF channel is a crucial part of our communication system.
   甚高频频道是我们通信系统的重要组成部分。