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Category: 硬體設備

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耳機（Headphone）是一對轉換單元，它接受来自媒体播放器或接收器所发出的電訊號，利用贴近耳朵的扬声器将其轉化成可以听到的音波。耳机一般是与媒体播放器可分离的，利用一个插头连接。好處是在不影響旁...