high-gain amplifier

例句：

1. 1. The high-gain amplifier in the lab was responsible for amplifying the signals from the sensors.
   实验室里的高增益放大器负责放大传感器的信号。
2. 2. The engineer used a high-gain amplifier to boost the volume of the audio signal.
   工程师使用了一个高增益放大器来提高音频信号的音量。
3. 3. The high-gain amplifier in the transmitter was crucial for maintaining the quality of the signal transmission.
   发射器中的高增益放大器对于保持信号传输的质量至关重要。