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将ＧＩＳ运用于震灾损失评估之中。可清晰直观快速的进行城市的震害损失分析，快速准确的提供图文资料、数据，使震害评估更加科学化、定量化。
Apply GIS to earthquake disaster loss assessment. Can be clearly and intuitively rapid city damage analysis, rapid and accurate provision of graphic data, data, the earthquake damage assessment more scientific and quantitative.