过去发生的太阳风暴曾损坏无数电网，引起断电，而且危害甚至毁坏人造卫星。
Solar storms in the past have damaged power grids, causing blackouts, and harmed and destroyed satellites.
在日本，地震毁坏了电网、海啸冲毁备用发电机组的时候灾难就降临了。
In Japan, that calamity arose when the quake crippled the electric grid and the tsunami knocked out backup generators.
从十一月以来，在我国东部、东南部、中部和南部的一些地区已经不得不一次次的切断供电以防止电网突然毁坏。
Since November, some areas in East, Southeast, Central and South China have had to( ) the electricity from time to time to prevent the grid from crashing.
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