我国雷灾在地域上的分布主要集中在华南沿海和华东沿海地区。
Geographical distribution of lightning disasters in China mostly concentrated in Southern and Eastern coastal regions.
分析认为，雷电击中大树产生的雷电反击和跨步电压是造成这起雷灾的主要原因。
According to the analysis, the back flashover and the step voltage formed when the lightning strikes a tree are the main causes of the disaster.
分析认为，雷电击中大树产生的雷电反击和跨步电压是造成这起雷灾的主要原因。
According to the analysis, the back flashover and the step voltage formed when the lightning strikes a tree are the main causes of the disaster.
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