上海大气质量指数法与灰色统计方法分析得到的空气质量结果基本一致。
Analysis of air quality with the Shanghai air quality index and gray statistical strategy produces quite similar results.
利用灰色统计模型分析了各城市空气质量等级，用上海大气质量指数法计算出污染负担率，然后根据污染负担率判断城市空气污染类型。
Air quality levels are analyzed in each city use of gray statistical strategy. The type of urban air pollution is judged by burden rate, which is calculated by the Shanghai air quality index.
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