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。...
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...