多孔介质非饱和导水率是地下水污染预测与评价的重要参数。
The unsaturated hydraulic conductivity is a key parameter of porous media applied to groundwater pollution prediction and assessment.
区域地下水防污性能评价是研究和预防地下水污染的一种有效途径。
Evaluation of ground water vulnerability is an effective way to study and prevent ground water from pollution.
DRASTIC方法可以进行地下水污染的脆弱性评价，但是却没有涵盖风险的概念，也忽视了污染物随地表水流运动的动态特性。
The DRASTIC method can provide groundwater vulnerability to pollution but does not contain risk concept and ignore hazard's dynamic nature of water movement.
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