地理信息系统技术为地下水脆弱性评价提供了有效的手段。
GIS provides an efficient tool to evaluate the groundwater vulnerability.
把模糊环境下的模糊识别理论具体应用到地下水脆弱性评价中。
The proposed fuzzy pattern recognition model under fuzzy environment is applied to theevaluation of groundwater vulnerability.
地下水脆弱性评价方法主要有三类：迭置指数法，过程数学模拟法和统计方法。
There are three major classes of groundwater vulnerability assessment methods: overlay and index methods, methods employing process-based simulation models and statistical methods.
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.
以DRAST IC模型为基础，建立了评价含水层污染性难易程度的模糊分析理论与方法，并将其应用于沧州市区地下水系统脆弱性评价。
Based on the DRASTIC model, the fuzzy analysis theory and method which are suitable for evaluating aquifer vulnerability are established and have been used in Cangzhou City.
进行地下水脆弱性分区评价和水源保护区划分是对含水层进行保护的主要手段。
The main measures of groundwater protection are groundwater vulnerability assessment and wellhead protection area delineation.
结合采煤矿区地下水污染的实际情况，分析了地下水脆弱性的影响因素，采用数学模型和DRASIC评价指标体系法对矿区地下水脆弱性进行初步研究。
On the basis of case studies on coal waste spoils in coal mine for groundwater pollution, the influence factors of groundwater vulnerability have been analyzed.
结合采煤矿区地下水污染的实际情况，分析了地下水脆弱性的影响因素，采用数学模型和DRASIC评价指标体系法对矿区地下水脆弱性进行初步研究。
On the basis of case studies on coal waste spoils in coal mine for groundwater pollution, the influence factors of groundwater vulnerability have been analyzed.
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