single factor theory
... 单一加点地图 single dotted map 单因子理论 single factor theory 单因子理论 single factor theory ...
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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。
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.
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