By using the lightning data from 2002 to 2004 in Suzhou, lightningcharacteristics such as monthly variation, daily variation, intensity of lightning current and lightning density are analyzed.
The max lightning steepness and lightning peak current have the important significance to the base researching work of the lightning-protection in the power system and the lightningcharacteristics.
在电力系统防雷保护与雷电特性基础研究工作中，雷电流的最大陡度、幅值具有重要的意义。
3
By comparing the characteristics of the natural spark with the man-made charge, Franklin was able to prove the similarity of electric matter and lightning.