天灾｜a natural disaster; an act of God 防灾地图｜a disaster prevention map; a hazard map 地震｜an earthquake; a temblor; 〔小规模的〕a [an earth] tremor ..
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From the strong earthquake activities since 1500, the seismic ground hazard map in North China is assessed using a deterministic approach method.
根据1500年以来的地震活动，用确定性方法对华北地区地震地面危害分布图进行了定量计算。
Based on these data, a hazard zonation map of mountain torrents in Heilongjiang Province is provided.
在此基础上，得出了黑龙江省山洪危险度分布图。
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