And then studied the origin and lithofacies meaning of siderite.在此基础上研究了菱铁矿的成因和岩相意义.The lithofacies - paleogeographical environment is the most important ore - control factor.岩相古地理沉积环境是湖北锰矿最重要的控矿因素.The main controlling f...
使用一次药剂防治难于持久地控制害虫.Rarely can permanent control be achieved by a single application of spray.五是稳定持久地加强基础研究.Fifth, strengthening basic research in a steady and sustained way.每个企业努力持久地与顾客保持合作关系.Every business strives to hav...
She suffered from anaemia and even required blood transfusions.她患有贫血症，甚至需要输血。Still, transfusions have apparently never spread the disease, even among hemophiliacs.还有, 输血很明显从未传播过这种病, 即使在血友病人之间也是如此.Years later, it would be...