灰色关联分析法 GRA ; GRAP ; Grey Relational Analysis
灰色关联投影法 grey relation projection method
灰色关联度分析法 GRAP ; Grey Relationship Analysis ; GRA
灰色关联度法 gray correlation method
灰色关联方法 grey correlative method
灰关联分析法 grey incidence analysis
灰色关联系数法 grey correlation method
新灰色关联分析法 New grey correlative analysis
运用污染负荷比和灰关联法递阶分析了矿山地下水污染物的主从关系，确定了矿山地下水的主要污染指标；
This paper analyses the principal and subordinate relationship between groundwater pollution indexes by using pollution load ratio and gray relation analysis method.
应用灰关联分析法，提出了一种基于灰色综合评价的选择方法。
Then the grey-relevant method is used to present a selection method on grey synthesis assessment.
研究方法：主成分分析法、灰关联分析。
Methods of principal component analysis, grey incidence analysis were employed.
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