To get a precise result of groundwater environment quality, the application of multiple method is effective.

为了获得地下水质量的准确结果，采用多种方法进行综合评价会收到良好的效果。

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Finally, the impacts of human activities on the evolution of groundwater affected was briefly discussed, and the proposals to control the groundwater environment quality were put forward.

最后，分析了人类活动对地下水环境质量演化的影响，并提出缓解建议。

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On these grounds, it could be spreaded further to dynamic management and pollution calculation of environment quality of karst groundwater.

据此，可进一步推广到岩溶地下水环境质量的动态管理及污染预测。

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The degradation of water quality in surface and groundwater systems is further exacerbating water scarcity and negatively impacting our natural environment and the ecosystem services and goods that it provides, jeopardizing food security and livelihoods.

UNESCO: World Water Day 22 March 2010: Clean Water for a Healthy World