stepwise regressive method

• 逐步回归法

stepwise regressive method的用法和样例：

例句

1. The contents of pyramidon and caffeine in Naoqing Pian were determinedby a multi - wavelength linear regression method.
   本文采用多波长直线回归法测定脑清片中氨基比林和咖啡因的含量。
2. Assay of naoning pian was reported by multi wavelength linear regression method in this paper.
   本文采用多波长线性回归法测定脑宁片的含量。