orthogonal experimental 基本例句 正交实验 Methods Referring to the content of Paeoni- florin ,orthogonal design was applied.方法以芍药苷含量为指标,采用正交实验法进行工艺优选。 Optimal conditions for the extracting macleay acordata alkaloid were studied by orthogonal design.采用正交实验方法研究博落回生物碱的盐酸提取工艺。