关键词 ：暴雨洪涝灾害 ；风险指数 ；风险区划 ；GIS 技术 [gap=1956]Key words: rainstorm flood disaster; risk index; risk regionalization; GIS technology
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根据历史资料，进行了滑坡风险区划和暴雨型滑坡的时空分布特征分析。
With historic data, risk division is researched and the temporal-spatial distribution features of landslide induced by heavy rainfall are analyzed.
根据气候相似性原理，利用最优动态聚类的方法，给出马铃薯种植的风险区划。
Using the climate comparability theory and the optimal dynamic cluster method, the paper puts forward the regional division of potato production risk.
最后设计了城市地震灾害风险评价流程，并给出了城市地震灾害风险区划算法。
At last, the flowchart of risk assessment of urban earthquake disaster is designed, and zonation arithmetic of risk region is showed.
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