名词
中文翻译：Unknown
同义词：
['post-amplifier', 'post-amplifier', 'post-amplifier']
例句：
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1. The postamplifier is used to amplify the signal after it has been transmitted.
后置放大器用于在信号传输后放大信号。
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2. The postamplifier is essential for transmitting high-quality audio signals.
后置放大器对于传输高质量的音频信号至关重要。
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3. The postamplifier was designed to improve the signal-to-noise ratio of the system.
后置放大器被设计用来提高系统的信号与噪声比。