gain amplification

例句：

1. 1. The engineer used a gain amplification circuit to improve the signal-to-noise ratio.
   工程师使用增益放大电路来提高信号与噪声的比率。
2. 2. In radio engineering, gain amplification is crucial for transmitting signals over long distances.
   在无线电工程中，增益放大对于远距离传输信号至关重要。
3. 3. The scientist discovered a new technique for enhancing the efficiency of energy conversion in electronic devices.
   科学家发现了一种新技术，用于提高电子器件中能量转换的效率。