ecological environmental water demand 生态环境需水
eco-environmental water demand 生态环境需水
river environmental water demand 河流环境需水
lowest environmental water demand 最小环境需水量
Environmental water demand of rivers 河流环境需水量
lowest eco-environmental water demand 最小生态环境需水量
ecological and environmental water demand 生态环境需水
Review of eco-environmental water demand 生态环境需水量研究综述
In this paper, the environmental water demand in the upstream of Hanjiang River is studied.
对汉江上游的生态环境需水量进行了初步探讨。
The environmental water demand is considered for scientific disposition and management and ecologic equilibrium.
必须合理预留生态环境需水，以实现水资源的科学配置和有效管理，维持生态平衡。
Then the index system of eco-environmental water demand has been established by three different methods step by step.
借助频度统计、理论分析、专家咨询三种方法来筛选建立区域生态环境需水的评价指标体系；
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