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.
运用基于DRASTIC的模糊综合评价方法，对松嫩平原潜水的脆弱性进行了评价。
Based on the fuzzy comprehensive DRASTIC evaluation method, the vulnerability of unconfined water in Songnen Plain is evaluated.
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.
本文确立了承灾体脆弱性评价指标体系原则和评价体系的结构，并通过反推法、信息量法等多种方法首次建立了承灾体脆弱性评价指标体系。
This paper established the principles and the structure of vulnerable-evaluation index system, and set up the evaluation-index system based on the several ways.
本文确立了承灾体脆弱性评价指标体系原则和评价体系的结构，并通过反推法、信息量法等多种方法首次建立了承灾体脆弱性评价指标体系。
This paper established the principles and the structure of vulnerable-evaluation index system, and set up the evaluation-index system based on the several ways.
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