对生态环境需水进行了分类；
本文采用模糊聚类分析方法，对河北省板栗生态环境进行了分类区划。
The Fuzzy Gather analysis method was adopted in zoning the ecological environment for growing Hebei chestnut.
全面系统地阐述了水资源的作用功能和价值分类，分系统分类别第一次深入剖析和总结了水资源的生态环境价值功能。
The thesis, so far for the first time, analyzes and summarizes the functions and values of water resources in ecological environment according to their system and category.
全面系统地阐述了水资源的作用功能和价值分类，分系统分类别第一次深入剖析和总结了水资源的生态环境价值功能。
The thesis, so far for the first time, analyzes and summarizes the functions and values of water resources in ecological environment according to their system and category.
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