The urban air quality was graded and density index of environment quality was calculated to obtain corresponding assessment results.
同时，对阜新市大气环境质量进行了评价，计算出阜新市环境质量浓度指数并得到相应的评价结果。
The thesis adopted fuzzy comprehensive assessment method to assess air environment quality of TongLing City and explains most air environment problem of TongLing City.
论文通过对铜陵市污染源分析，运用模糊综合评判法综合评价了铜陵市的大气环境质量，分析了铜陵市存在的主要大气环境问题。
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