There are many groundwater pollution sites in China, which threatened the safety usage of water resources.
我国存在大量的地下水污染场地，给地下水资源的使用带来了严重威胁。
This article evaluates the externality through joint usage of water resources model and water quality mode.
开发并联合利用了水资源模型和水质模型来评估水权交易的外部性。
In this paper, the water resources of Changwu County in the year of 2007 is taken as the example, the water resources usage structure and carrying capacity balance index are calculated separately.
从长武县2007年水资源现状出发对县域范围内的用水结构及水资源承载力平衡指数进行计算与分析。
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