resources of ground water

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Appraising the resources of areal ground water with the finite element technique
用有限单元法评价区域地下水资源
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The main object to compile the ″ Deposit Hydrogeological Atlas of North China Karstic Water-Filling Coal Mining Areas ″ is for rational exploitation of coal resources and utilization of ground water in middle Ordovician limestone under the coal measures .
编制《中国北方岩溶充水煤矿区矿床水文地质图集》的目的主要是为了合理开发煤炭资源和利用煤系基盘中奥陶统灰岩地下水;