Robust estimation has been applied in flood frequency analysis.
近年来，稳健估计在洪水频率分析中的应用已被提出。
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。
Regional flood frequency analysis is the effective method for flood frequency analysis in data-lacked or non-data area.
区域洪水频率分析是解决资料缺乏地区洪水频率计算的一种方法。
A new method of least square is raised in curve fitting of flood frequency calculating and its specific properties are analysed.
提出了在洪水频率计算时适线法中最小二乘方的一种新的求解方法，并对其特性进行分析。
Considering the combined action of peak flood and flood volume, flood frequency use analysis by synthesis method in computer software.
考虑洪峰流量、洪水总量对洪水频率的共同决定作用，计算机软件中洪水资料频率的判断，采用综合分析法。
According to the traditional flood frequency analysis, flood data are assumed to have been taken from a known distribution function as a whole.
传统的洪水频率分析都是假定洪水资料取自某一已知分布函数的总体。
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.
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。
The riparian vegetation in the subtropical zone develops well and the evolution of vegetation community depends mainly on the flood frequency and flooding elevation.
亚热带地域河边植被发育较快，植被演替主要决定于淹没频率与高程。
A nonparametric kernel estimation of the flood frequency with historic information is presented in this paper. The limitation in assuming a distribution type is overcome.
本文提出了在有历史洪水情况下洪水频率的非参数核估计方法，克服了现行方法假定分布型式的局限。
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.
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。
Large historical flood discharges can play an important role in hydrologic frequency analysis.
历史洪水在洪水频率计算中起到了重要作用。
The main methods for calculating designed flood are probable maximum precipitation and hydrologic frequency analysis.
设计洪水计算方法主要是可能最大降雨和水文频率法。
Based on the flood level frequency curve, hydrological failure risk was divided into flood overflowing risk and flood overtopping risk.
基于推求的洪水位频率曲线，将堤防水文失事风险分为洪水漫溢风险和洪水漫顶风险。
It can be seen that the frequency curve calculation is basically reasonable and show the estimation of "1482 flood" return period is rational after putting palaeofloods into flood series.
把古洪水加入到洪水系列后进行频率计算，可以看出频率曲线基本合理，说明对1482年洪水重现期的判断是合理的。
Flood risk map reflect the different frequency flood and the scope and extent of a region likely to be flooded.
洪水风险图是反映不同频率的洪水发生时，某一区域可能遭受洪水淹没的范围和程度的地图。
Drought, flood, frost and hail are major meteorological disasters with the characteristics of high frequency, wide distribution and serious conditions etc. in Shandong Province.
干旱、洪涝、霜冻、冰雹是山东省最主要的气象灾害，具有频率高、范围广、灾情重等特征。
Peculiar in geographic position, Guangdong is subject to flood, drought and typhoon calamities with high frequency, wide ex-tent and great intensity, thus causing great losses.
由于地理位置特殊，广东省遭受水旱风灾频率高、范围广、强度大、损失重。
Designed flood of reservoir is a typical flooding process under given engineering safety standard. The frequency of designed flood is regarded as hydrological risk.
水库设计洪水就是在给定工程安全标准情况下某个典型洪水过程，设计洪水的频率特征表现的就是其水文风险。
The results of the losses of soil is that it increases the frequency and the degree of flood waterlogging disaster under the same rainfall condition.
导致在同样降雨条件下，加剧了洪涝灾害的发生频率和灾害程度。
At present, the scheme of enhancing robustness of the ALM include: reducing the frequency of failure nodes, failure detection and tree reconstruction technique, flood mechanism, multi-trees and rings.
目前增强应用层组播鲁棒性的方案主要包括：降低失效节点发生频率、失效检测和树重构技术、多树环结构和使用洪泛机制。
Chencun Hydropower Station plays an important role in peaking and frequency modulation in power grid. Meanwhile, the reservoir also has the functions of flood prevention and irrigation.
陈村水电站在电网的调峰、调频中起着重要的作用，同时水库也面临着防洪、灌溉等任务。
Various natural disasters occurred frequently in Jianghan Basin during the Song and Yuan period, among which both the droughts and flood disasters had the highest frequency and the biggest influence.
宋元时期江汉平原各种自然灾害频发，其中水旱灾害的发生频率最高、产生影响最大。
Various natural disasters occurred frequently in Jianghan Basin during the Song and Yuan period, among which both the droughts and flood disasters had the highest frequency and the biggest influence.
宋元时期江汉平原各种自然灾害频发，其中水旱灾害的发生频率最高、产生影响最大。
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