The capsid together with the enclosed nucleic acid is the nucleocapsid.衣壳同包围它的核酸一起称为核衣壳.It has linear double strand DNA, icosahedral - capsid and envelope.其核酸结构为线状双股DNA, 衣壳为二十面体对称,有囊膜.The HIV 1 capsid protein ( CA ) play...
Airliners would be jetting through the sky at 500 miles an hour.大客机会以每小时500英里的速度穿越太空.They placed very stable and accurate atomic clocks on regularly scheduled jet airliners.他们将非常稳定、准确的原子钟装在定期飞行的喷气式班机上.The fog grounded th...
下棋的走法不但多种多样, 而且错综复杂.The moves in chess are not only manifold, but involute.你们下棋的瘾头可真不小.You are really keen on playing chess.他把下棋的初步知识教给儿子.He initiated his son into the game of chess....
Surgical training takes at least nine years, or 11 in the case of obstetrics...外科至少需要9年的专业训练，产科甚至需要11年。The training covers extended periods in obstetrics and gynaecology.该培训包括产科学和妇科学的增加课时。Moshe Hod, a professor of obstet...