improved pollution index method
improved pollution index method
改进的污染指数法
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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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