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中文摘要：
洪水灾情评价涉及人、自然、环境、社会及经济等多种因素，是典型的多指标评价问题，需对多因素进行综合评估。提出了一种洪水灾害损失的可变模糊评价方法，该方法集理论的严谨性与操作的简捷性于一体，适于处理评价标准为区间的问题，是传统模糊评判方法的延伸。实例应用结果表明，洪水灾害损失可变模糊评价方法评价结果的可信度高，能够很好地对各种洪水灾情进行有效的评估，是一种处理多因素复杂洪水灾害评价问题的新方法。
英文摘要：
Evaluation of flood disaster loss involves all kind of factors, which consist of human, natural, environmental, social economical factors, and is a typical multi-index evaluation issue. This paper pvesents a variable fuzzy assessment method for flood disaster loss, the proposed method gathers the preciseness of theory and operability in practice together. It is an improvement of traditional fuzzy assessment. The results show that the technique are highly appropriate to flood disaster loss evaluation, and can be very useful for the flood disaster management and decision-making. The evaluation approach is flexible, the results are reliabe, and the performance of the operation is efficient.
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