对洛阳市的降水量、地表水资源量、地下水资源量及水资源总量进行评价。
The precipitation, surface water resources, groundwater resources, and total volume of water resources were evaluated for Luoyang City.
对辽河流域铁岭段水质现状进行分析评价，并对辽河铁岭段的地表水水资源保护提出建议。
At last, it analyzes and evaluates water quality in Liaohe area and Tieling area and issues some advice how to protect surface water resources.
地表水与地下水转化量的模拟预测一直是区域水资源评价和管理中的难题。
The analysis and simulation of the interaction between groundwater and surface water is a considerably difficult problem in water resources planning and management.
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