提出依据离差绝对值和准则，用目标规划建立多元线性预测方程，该方法优于回归分析。

Based on the criterion of deviation squares sum, a general forecasting equation is set up by using goal programming. It has advantages over the analysis of multi-variable linear regression.

youdao

以摩擦系数的变化量为目标，利用多元线性回归技术进行数据分析，通过SAS软件得到多元回归方程。

A multi regress equation of the friction coefficients was achieved by SAS, in which multi linearity regress mechanic to analyze data is used.

youdao