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探讨了基于遥感和地理信息系统手段进行洪涝灾害灾情分析和损失估计的途径，研究了利用灾后一定时期内的遥感影像再现淹没状况的方法。
This paper discusses the methods of disaster analysis and loss estimation based on remote sensing and geographic information system, and studies the method of using the remote sensing image to reconstruct the submerged status in a certain period after the disaster.