就得到全国污染源的数据，对全国的污染源的排放量做简单的分析。

According to the national data we do some simple analysis to the national pollution emissions.

youdao

就得到全国污染源的数据，对全国的污染源的排放量做简单的分析。

According to the national data we do some simple analysis to the national pollution emissions.

youdao