Predigest the calculation of forecast value by the use of dedicatory value,make the forecast results more faster and accurately,and try to reduce the devotion of the manpower and material resources.

• 探讨利用贡献值简化计算在拟建项目排污口与其下游预测断面间存在若干个未知点源污染情况下的预测断面污染物浓度预测值的方法,以尽可能少人力物力的投入,较为准确、快速的得到预测结果。