rf buncher

例句：

1. 1. The rf buncher is responsible for amplifying the signal.
   射频聚集器负责放大信号。
2. 2. The rf buncher is used to focus the radio waves.
   射频聚集器用于聚焦无线电波。
3. 3. The rf buncher is an essential component of the communication system.
   射频聚集器是通信系统的一个必要组成部分。