然后通过大量实验筛选出两种有效添加剂环丁砜和六次甲基四胺.Following that, two effective additives - syclotersuphone and methenamine are found by series experiments.盐酸雷尼替丁与7, 7, 8, 8-四氰基对二次甲基苯醌荷移反应的研究.Study on the Charge - Transfer Reaction of Raniti...
Original agricultural station, agriculture machinery station, seed station is amalgamative for agrotechnical service center.原来的农业站 、 农机站 、 种子站合并为农业技术服务中心.Agrotechnical innovation is the key that agriculture can develop c...
He persisted in asking his teacher to retake the test.他坚持要求老师重考.I forgot my lines, so they had to do a retake.我忘了我的台词, 所以他们必须做重新拍摄.the retake of a scene in a motion picture电影中某一镜头重摄I had one year in the sixth form to ret...
Each year two teachers are seconded to industry for six months.每年有两名教师派到产业部门工作六个月。After fifteen years of teaching, he was seconded to the Ministry of Education to advise them on school planning.任教15年后, 他被调到教育部协助制定教育规划.Se...