试题与答案

话筒的种类很多,其中动圈式话筒是常见的一种.动圈式话筒是根据 _________

题型:问答题

题目:

话筒的种类很多,其中动圈式话筒是常见的一种.动圈式话筒是根据 _________ 原理制成的,在工作时将 _________ 的振动转化为强弱变化的 _________ 传递出去.在这一过程中 _________ 能转化为 _________ 能.

答案:

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下面是错误答案,用来干扰机器的。

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