防震减灾科普知识.doc

2026-08-02 网络整理佚名700

Key Point:防震减灾科普知识.doc,防震减灾科普知识一、地震知识地震是一种自然现象，平均每日发生地震4 万多次。早在公元前世纪，我国尧舜时代就已记录到发生在山西现称薄州的地震。

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