Frequency, current, voltage and pulse width of successive wave and intermittent wave were similar. Frequency, current, voltage and pulse width of sound electric wave changed continuously.
连续波与断续波（续波）的频率、电流、电压、脉冲宽度均相同，声电波的频率、电流、电压、脉冲宽度均为不断变化的。
Device for converting sound waves into electric power that has wave characteristics essentially similar to those of the sound.
将声波转换成电功率并保持其波形特性基本相似的装置。
Device for converting sound waves into electric power that has wave characteristics essentially similar to those of the sound.
将声波转换成电功率并保持其波形特性基本相似的装置。
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