通过正交实验法确定各组分的最佳用量.By orthogonal experimental method to determine the best amount of each component.目的采用正交试实验法研究冬凌草的渗漉提取工艺.ObjectiveTo study the percolation extraction process of Rabdosia rubescens by orthogonal texts.人本治...
He wears a cap to cover a spot of baldness.他戴帽以遮斑秃。He was wearing a cream silk shirt and a tartan golfing cap.他身着一件米色丝绸衬衫，头戴一顶花格子高尔夫球帽。He had offered the loan of his small villa at Cap Ferrat.他愿意借出在费拉角的小别墅。...