建立、验证了土壤水分入渗参数的多元逐步回归模型。
Soil water infiltration capacities and parameters of soil water infiltration model make severe change in agriculture productive period, but have definite change law as well.
采用多元逐步回归模型用常规土壤物理参数对土壤水分入渗模型参数进行预报是可行的。
It is feasible to predict soil infiltration capacities by routine physical parameters with stepwise regression models with multiple units.
最后通过多元逐步回归模型计算出各污染源对南京市大气颗粒物中半挥发性有机物的贡献率。
Lastly the percentage contributions of various pollution sources to SVOCs on airborne particulates in Nanjing city were calculated using multiple regress models.
模型分别采用多元逐步回归方法和反向传播方法。
The model used multiple stepwise regression method and back propagation method independently.
通过多元统计的逐步回归建立了QSRR模型，其计算误差应接近实验误差。
Through stepwise of multiple regressions, QSRR model has been established. The calculating errors of the model are similar to the experimental ones.
在此基础上，通过逐步回归分析确定用于高速公路事件持续时间预测的最佳变量组合并建立多元线性回归模型。
Then, stepwise regression analysis is used to select a best group of factors for the prediction of expressway incident duration, and the multiple linear regression model is established.
采用二次多项式逐步回归分析法建立了三元不对称有机磷酸酯类杀虫剂的多元非线性构效关系回归模型。
Nonlinear multiple regression model on the structure activity relationship of ternary dissymmetric organic phosphate insecticide is obtained by quadratic polynomial stepwise regression method.
控制终点的氧耗方程建了比例型模型和多元回归方程，多元回归方程是按逐步回归建立的。
The oxygen consumption equation which is used for end point control is a proportional model or a multiple variates regression equation established by the stepwise regression method.
采用多元逐步回归法建立了揭示模型线性关系的QSAR模型，对模型进行稳定性检验，并采用样本集外的化合物对所建立的QSAR模型进行预测；
The QSAR model was built with the multiple linear step regression method, and it was tested for the stability with other sample compounds.
采用多元逐步回归建立软测量模型，充分利用现场DCS资源，实现催化裂化装置柴油闪点的在线软测量。
Online soft measurement of flash point of gas oil in the FCC unit is realized by the full utilization of DCS resource on the site.
方法：根据1998至2 0 0 0年的住院大病病案首页，采用多元逐步回归分析等统计方法构建住院费用预测模型。
Methods: Based on the first page of the case data from 1998 to 2000, the cost forecasting model of the hospitalization expenditure were established, applying stepwise regression analysis.
方法：根据1998至2 0 0 0年的住院大病病案首页，采用多元逐步回归分析等统计方法构建住院费用预测模型。
Methods: Based on the first page of the case data from 1998 to 2000, the cost forecasting model of the hospitalization expenditure were established, applying stepwise regression analysis.
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