名词
中文翻译：声频电路
同义词：
['voice frequency circuit', 'audio frequency circuit']
例句：
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1. The voice-frequency circuit in the phone is responsible for converting sound waves into electrical signals.
电话中的声频电路负责将声波转换为电信号。
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2.In the medical field, voice-frequency circuits are used to transmit and receive medical images.
在医疗领域，声频电路被用来传输和接收医疗图像。
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3.The engineer designed a new voice-frequency circuit that could detect even the faintest sounds.
这位工程师设计了一种新型的声频电路，可以检测到最微弱的声音。