high frequency amplification

例句：

1. 1.The high-frequency amplification system is used to amplify signals in the telecommunications industry.
   高频放大系统用于电信行业中的信号放大。
2. 2. In radio engineering, high frequency amplification is crucial for transmitting and receiving signals overlong distances.
   在无线电工程中，高频放大对于远距离传输和接收信号至关重要。
3. 3.The engineers used high frequency amplification to improve the quality of the audio signal.
   工程师们使用了高频放大来提高音频信号的质量。