In particular, the author wants to thank nEo, Zhuanggong, Epicure, Sparker, to name just a few. He benefits a great deal from them no matter when, in the past, at present or even in future.

作者特别要感谢nEo,庄公，Epicure，Sparker等一些人，他们过去或现在以及将来都将使作者收益非浅。

Underwater plasma sound source, namely underwater sparker, is a significant application of pulsed discharge in water, which has been employed for underwater acoustics and sea oil prospecting.

水下等离子体声源是水中脉冲放电技术在水下声学和地震勘探技术方面的一个重要应用，又称为电火花震源。

The working principles and structure of the high-power sparker are presenteded, its technical parameters are given, and its application in vertical seismic profiling (VSP) logging is introduced.

文章介绍了一种大功率电火花震源的工作原理、总体结构及其主电路，给出了其技术参数。