There is a return stroke after the lightning hits the ground.
在闪电击向地面以后出现了一次回击。
There are some differences for the mean of return stroke currents in different regions.
不同地区地闪回击电流平均值略有不同。
Eventually a negative stepped leader travels downward and reaches the ground, creating a return stroke.
最终一个下行传播的负极梯形先导接触到地面，制造了一次回击。
Eventually a negative stepped leader travels downward and reaches the ground, creating a return stroke.
最终一个下行传播的负极梯形先导接触到地面，制造了一次回击。
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