orthogonal and recursive design 基本例句 正交设计 Factorial design was utilized to optimize the process.以正交设计对工艺进行优化。 Modified organo-silicon defoamer was obtained with dimethyl-silicon oil and polyther through test of orthogonal design.摘要采用正交设计实验法以二甲基硅油及聚醚为主要原料制备了一种新型改性有机硅消泡剂。