山东省不同区域的环境污染状况差异显著，为此简要分析了山东省东、中、西部三大地区间的工业污染排放差异，并运用灰色关联法分析各地区工业污染的主要影响因素及效应。

To get the main affecting factors of each area, the author compared affecting factors of industry pollution in the Eastern area, the middle area and the western area by gray relevancy analysis.

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