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The mechanism of production, path of transmission and damages to the electronic equipments of lightning electromagnetic pulse (LEMP) are analyzed, and the prevention measures are introduced.
阐述了雷电电磁脉冲的产生机理、传播途径及对电子设备的危害，并简要说明了其防护措施。
Analysis from theory of lightning stroke shows that conventional measures for prevention of lightning cannot improve the level of lightning prevention of OPGW.
从雷击理论来分析，常规的防雷措施是不能提高OPGW的抗雷击水平的。
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