The application of the improved Nemerow index method to the evaluation of the groundwater quality in Panshi City shows more objective and logical results.

将改进的尼梅罗指数法应用于磐石市地下水环境质量评价，结果表明改进的方法更客观、合理。

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The water quality of the Beitang Drainage River during these seasons was evaluated by the improved principal component analysis method and Nemerow index method.

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。

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Through analysis, the disadvantages of the traditional Nemerow index method were pointed out, and an improved method to divide pollution levels was brought forward.

通过对传统尼梅罗污染指数法进行分析，指出其缺点，并对其作出改进，提出了一种污染等级的划分方法。

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