名词
中文翻译：后置放大器
同义词：
['post amplifier', 'post-amplifier例句：1. The post amplifier 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。）']
例句：
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1. The post amplifier 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 post amplifier was designed to improve the quality of audio signals.
后置放大器被设计用来提高音频信号的质量。
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3.The post amplifier is an essential component in many electronic devices.
后置放大器是许多电子设备中必不可少的组件。