文中建立高危害小区分析模型，设想将城市划分等面积网格，给每个单元网格赋予灾害指数，以确定城市中受灾较为严重的区域，为救灾指挥提供决策信息。
The model of high risk region analysis is built; it divides a city into many same size cells, and every cell is assigned an index to represent hazard degree.
文中建立高危害小区分析模型，设想将城市划分等面积网格，给每个单元网格赋予灾害指数，以确定城市中受灾较为严重的区域，为救灾指挥提供决策信息。
The model of high risk region analysis is built; it divides a city into many same size cells, and every cell is assigned an index to represent hazard degree.
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