名词
中文翻译：调音放大器
同义词：
['tone generator', 'audio amplifier', 'sound amplifier']
例句：
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1. The tone amplifier is used to amplify the sound of speech.
调音放大器用于放大语音的声音。
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2.The tone amplifier was designed to improve the quality of audio signals.
调音放大器被设计来提高音频信号的质量。
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3.The tone amplifier is essential for recording studios to achieve clear vocals.
调音放大器对于录音室来说，是实现清晰嗓音的关键。