Operation Rolling Thunder is estimated to have killed 182, 000 North Vietnamese civilians.
滚雷行动也估计导致182000北越平民死亡。
Thunder strike is one of main factors of main dam safety monitor automation system being interrupted operation.
雷击是大坝安全监测自动化系统中断运行的重要原因之一。
As its individual landform and physiognomy, the activity of thunder in Pingbei Oilfield has certain speciality, and has influenced seriously the operation of the electric power network.
由于地形、地貌独特，坪北油田的雷电活动有着一定的特殊性，并严重影响着电力网络的运行。
Aiming at mangling of electron equipment due to transient over voltage from thunder and operation between 4 and 3 + 1 source defend thunder equipments is discussed.
本文主要针对雷电和操作过电压所引起瞬间过电压对电子设备系统的损坏，来探讨加装电源防雷器时采用四模块和3 +1模块时性能比较和分析。
The operation results more than one year after the rebuilding revealed that the effect of the pretend thunder measurements were tremendous, and the lightning tripping outage was reduced rapidly.
改造后线路一年多的运行结果表明：所采用的措施防雷效果较明显，雷击跳闸率大为降低。
The operation results more than one year after the rebuilding revealed that the effect of the pretend thunder measurements were tremendous, and the lightning tripping outage was reduced rapidly.
改造后线路一年多的运行结果表明：所采用的措施防雷效果较明显，雷击跳闸率大为降低。
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