The design of the pumping source with multichannel surface discharge is introduced, and the trigger principle is analyzed theoretically.

介绍了多通道表面放电泵浦源的设计，并对相关的触发机理进行了理论分析。

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The blacksmith had the ramrod out and he was shoving it into the muzzle, pumping and pumping and pumping furiously, his hand already on the trigger, and he was ready to fire, strangely calm with the tiger there, almost on him, its whiskers so close and surprisingly bright and rigid.

NEWYORKER: The Tiger��s Wife