热对流的花样最多,且和流力有密切关系.There are two modes of convection: free convection and forced convection.最后,着重讨论了上地幔与全地幔对流的论争.The issue of upper vs whole mantle convection is critically discussed.因为热空气处于冷空气之上, 理论上热对流的动因并不存在.Since the...
他机智诙谐,具有敏锐的商业头脑。He was witty, amusing and gifted with a sharp business brain.该剧讲的是遭到背叛的痛苦,语言诙谐,充满智慧。The play deals wittily and intelligently with the pain of betrayal.这本书诙谐幽默,妙语趣话随处可见。The book is witty and peppered with ...
他讲述了自己是怎样被全副武装的士兵从总统官邸里赶出来的。He recounted how heavily armed soldiers forced him from the presidential palace.她在英国首相官邸外发表讲话时宣称她将继续斗争下去。Speaking outside Ten Downing Street, she declared that she would fight on.那栋有34个房间的摄政时期...
Within the staffing area itself, appraisal, inventorying, selection, and development are closely related.在任用的范围内, 评价 、 储备 、 选择以及培养等过程都息息相关.Indulges the missing pain troubled, inventorying dripped lonely the rough sound.放...
硅酮隆胸植入物a silicone breast implant一种叫作吡啶酮的新型抗艾滋病药物能促使艾滋病毒变异,使其不能繁殖,也不会再感染新的细胞。A newer anti-HIV drug called pyridinone caused HIV to mutate into a form which could not reproduce or infect new cells.所有的主要难点都涌现在烯酮 ( 1 ) 的合成中....