For the third case, arc power is constant, arc discharge time and occurring probability is very small therefore causing no gas ignition.

第三种情况是电弧功率在整个放电时间内基本不变，放电时间小，出现概率很小，不会造成气体引爆。

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In this paper, the time constant of theoretical waveshape and the parameters of discharge circuit were calculated by computer according to the parameters of virtual waveshape of lightning impulse.

本文将利用计算机根据雷电波的视在波形参数来计算理论的波形时间常数和放电回路的参数，并且根据雷电波形允许的偏差计算出被试品电容复盖范围。

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B. Excellent discharge characteristics: especially for long time discharge, and the voltage is stable, more than 90% of the capacity can be almost constant platform release voltage.

优异的放电特性：特别适用长时间放电，且电压极其平稳，90%以上的容量可在电压几乎不变的平台上放出。

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