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。
The distribution feature of the flood land along the river, its landform and structure, basal structures and hydrologic conditions are analyzed based on the data collected systematically.
对沿江两岸河漫滩的分布特征、漫滩地貌、漫滩结构、漫滩基底结构、漫滩水文地质条件等进行了分析。
Methods Field investigation was used to understand basic behaviors and diseases distribution of flood victims.
方法采用现场调查的方法，了解受灾人员患病的基本特点和疾病的分布。
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