high frequency amplifier

例句：

1. 1.This high-frequency amplifier is used to amplify signals at very high frequencies.
   这个高频放大器用于放大非常高频率的信号。
2. 2.The engineers designed the high-frequency amplifier to handle the intense heat generated by the machine.
   工程师们设计了这种高频放大器来处理机器产生的强烈热量。
3. 3. The high-frequency amplifier was responsible for transmitting the radio signal over long distances without interference.
   高频放大器负责在远距离上传输无线电信号，而不受干扰。