As the most frequency post-earthquake disaster, the reason of the post-earthquake fire is sophisticate and its harm is huge.
2
公路风吹雪雪害是我国季节性积雪区域最普遍、最频繁和危害最严重的公路雪害形式。
Snow hazard of snow drift on highway is the most prevalent; most frequent and most serious snow hazard form of highway in seasonal snow areas of my country.
3
此类矛盾的频繁发生对社会稳定具有极大的危害性。
Such contradictions arising frequently will do a lot of harm to the stability of the society.
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