Such transformers can take a long time to replace, especially if hundreds are destroyed at once, said Baker, who is a co-author of a National Research Council report on solar-storm risks.

这样的变压器更换起来花费时间，尤其是如果数百台一同遭到毁坏，贝克尔说，他是国家研究委员会报道太阳风暴危机的作者之一。

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Should some of the roughly 300 transformers that are the backbone of our electrical grid be damaged or destroyed, the interruption to the electrical grid will not be brief.

CENTERFORSECURITYPOLICY: EMP and you