river ecological water demand

基本解释

The paper addressed the issue of ecological water demand in arid inland river basins.
因此，合理量化生态需水是西北干旱区水资源优化配置尚待解决的问题。
The water for the urban river ecosystem is a research category that belongs to the river ecological water demand.
本文所研究的城市河流生态需水是属于河流生态需水的研究范畴。
The ecological water demand of the Songhuajiang river and the Liaohe river was studied by flow during curve for this method has not been applied in China.
另外，本文对松辽流域河道内生态需水量进行研究则是利用流量历时曲线法。