无资料地区设计洪水的区域频率分析包括选择相似流域组、估计指标洪水以及推求区域综合增长曲线和设计流域的洪水频率曲线。
Regional flood frequency analysis for un-gauged basins included selecting a pooling-group, estimating the index flood, deriving pooled growth curve and fitting flood frequency curve for tested basin.
区域频率分析能充分利用相似流域组的资料来扩充信息量，克服单站样本系列资料短缺的局限，解决无资料地区设计洪水的估算问题。
Regional flood frequency analysis is a useful approach method that avoids the shortness of at-site sample series and estimates design flood for un-gauged area.
可供在覆冰区域内的架空线路设计确定覆冰性质、进行频率分析和估算设计覆冰荷载等进行参考。
It can be a certain reference for determining ice sort, frequency analysis and estimating the design ice load on overhead electrical conductors for designing lines in icing areas.
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