- 問題詳情:Anearthquakeisatremblingorshakingofthegroundcausedbythesuddenrelease(釋放)ofenergystoredintherocksbelowthesurface.Generally,earthquakeslastonlyseconds.stronggroundshakingduringamediumtolargeearthquakegenerallylastsabout10to30seconds.After-sho...
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