常見例句雙語例句Standard microphone. Capacitor or push-pull microphone can be specified.標準擴音器。可指定電容器式或推拉式擴音器。It also gives a safety design problem analysis using an electret capacitor microphone to pick-up the heart sound signals.該電路涉及到放大、 濾波、電平抬升等電路，并給出了安全設計問題，利用駐極體電容傳聲器來拾取心音信號。Capacitor or push-pull microphone can be specified.可指定電容器式或推拉式擴音器。 返回 capacitor microphone