名词
中文翻译：正反馈放大器
同义词：
['positive-feedback amplifier例句：1. The positive feedback amplifier is used to improve the quality of audio signals.（正反馈放大器用于提高音频信号的质量。）2. The engineer used a positive feedback amplifier to boost the volume of the music.（工程师使用正反馈放大器来提升音乐的音量。）']
例句：
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1. The positive feedback amplifier is used to improve the quality of audio signals.
正反馈放大器用于提高音频信号的质量。
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2. The engineer used a positive feedback amplifier to boost the volume of the music.
工程师使用正反馈放大器来提升音乐的音量。
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3. The positive feedback amplifier was designed to eliminate noise and interference in the signal.
正反馈放大器被设计用来消除信号中的噪声和干扰。