In order to give reference to the government, with factor method the relationship of COD(subscript MN), BOD5, DO, NH4N, NO2, NO3, TP,TN and PO4 is analyzed in. eleven stations of Tai Lake.

• 摘要采用多元统计因子分析方法，对太湖11个监测站COD(下标MN)、BOD5、DO、NH4N、NO2、NO3、TP、TN、PO4等9个水质指标进行因子分析计算，探索其相关关系，为水资源规划、水环境治理提供参考。