All buildings above certain size are required to be earthquake-proof and have disaster prevention experts on site.

一定规模以上的所有建筑都必须抗震设防，并在现场灾害预防专家。

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All buildings above certain size are required to be earthquake-proof and have disaster prevention experts on site.

一定规模以上的所有建筑都必须抗震设防，并在现场灾害预防专家。

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