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。

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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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