运用内梅罗指数法验证了改进的主成分分析法的结论，并得出了三个水期的相对污染程度。
The water quality of the Beitang Drainage River during these seasons was evaluated by the improved principal component analysis method and Nemerow index method.
依据单项污染指数法和内梅罗综合污染指数法来评价土壤重金属污染程度。
By adopting both the single factor index method and Nemerow multi-factor index method, the pollution indices were calculated to assess pollution extent.
依据单项污染指数法和内梅罗综合污染指数法来评价土壤重金属污染程度。
By adopting both the single factor index method and Nemerow multi-factor index method, the pollution indices were calculated to assess pollution extent.
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