For the typical high energy electron spectrum in outer radiation belt, the charging time for dielectrics is of the order of an hour.

对于典型的外辐射带高能电子能谱情况，介质的充电时间为小时量级。

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Usually, when a solar storm hits, most of the radiation either hits the outer radiation belt or the plasmaphere.

FORBES: A Powerful Solar Storm Could Render Satellites Inoperable For Years