水资源可利用量计算一直是区域水资源评价中的难点。
The computation of utilizable water resources volume is always a difficult point in regional water resources evaluation.
计算了郑州市地表水资源量、地下水资源量、水资源总量和水资源可利用量。
The quantity of surface water and ground water, water resources gross and its available quantity of these years are calculated.
合理建设和管理地下水库是我国北方缺水地区增加水资源可利用量的有效途径。
Construction and management of ground water reservoir is an effective way of increasing available water resources.
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