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以１９８６～１９９４年东北某城市总悬浮物统计资料为依据，应用灰色系统理论ＧＭ（１，１）模型对总悬浮物数值进行预测分析。
Based on the statistical data of total suspended solids in a city in Northeast China from 1986 to 1994, the total suspended solids values were predicted and analyzed by the gray system theory GM (1,1) model.