Based on the grey system theory, a grey assessment model of groundwater quality is built by combining the method of grey relational grade analysis and the method of single factor contaminant index.
以灰色系统理论为基础，把灰色关联度分析方法和单因子污染指数法相结合，构造了一种适合于评价地下水质量的灰色模型。
The relational grade analysis of the grey theory was applied in multifactorial quantitative evaluation of new spring peanut varieties in Fujian province.
应用灰色系统理论中的关联度分析法，对福建省近年来育成的春花生新品种进行了综合定量评价。
Through the calculation of grey relational coefficient and grey relational grade, finally fulfill the comparative analysis to enterprise's competitive ability.
通过灰色关联系数以及灰色关联度的计算，最终对企业的竞争力做出比较分析。
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