名词
中文翻译：参数放大器
同义词：
['参数放大器例句：1. The parametric preamplifier was used to amplify the signal.（参数放大器被用来放大信号。）']
例句：
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1. The parametric preamplifier was used to amplify the signal.
参数放大器被用来放大信号。
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2.The parametric preamplifier was used to enhance the sound quality.
参数放大器被用来提高音质。
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3. The parametric preamplifier was used to balance the audio signals.
参数放大器被用来平衡音频信号。