... 盐类矿山salt mines 基本洪水频率probability of flood 设计防洪频率design probability of flood prevention ...
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Flood frequency (return period) is referring to recurrence probability of flood in certain period.
洪水频率(或重现期)是指一定时期内某种洪水出现的机率。
The systematic failure probability of flood-control system is difficult to evaluate because there is much difference among the risks of components of the system.
由于防洪体系组成部分的风险程度各异，综合的系统失事率难以评估。
The method of Analytic Hierarchy Process is used to identify the risk events of flood. The probability of flood is determined by construction period and flood control standard.
洪水风险事件识别采用层次分析法进行，并结合施工工期和防洪标准来确定洪水发生的概率。
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