So computing of two-tape length of record can find out the lightning max steepness.
故计算两条磁带的消磁长度差可直接测出雷电流最大陡度.
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The blunder made the underground instrument undergo an undermining the thunderbolt.
这个失策让地下仪器经受了一次雷电之破坏.
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The sky turns to scarlet and the lightning the sword of archangel the clouds too.
天空也变成了血红色,云层中闪动的雷电像是大天使的利剑.
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