The mathematical model of karst fissure water is established on this basis, and further evaluation of groundwater resources is made by using finite element method. The result is satisfactory.
在此基础上，建立了裂隙岩溶水数学模型，同时用有限单元法对地下水资源进行了进一步评价，得出了较为满意的结果。
The evaluation of water resources value should be based on its shadow price.
水资源影子价格是水资源价值计算的基础。
Wetlands are a unique ecosystem on the earth created by the interaction of water and land. Evaluation of wetlands can be helpful to the exploitation of wetland resources.
湿地是地球上水陆相互作用形成的独特生态系统熏湿地评价能帮助人们更好的开发和利用湿地资源。
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