...the discovery of the ozone hole over the South Pole...南极上空臭氧洞的发现...heavy, rain-laden clouds scudding across from the south-west.乌黑的雨云从西南方向掠过North and South will remain separate entities within a commonwealth until the...
Conclusion Self - made syringing probe is a simple, safe, useful and effective procedure for treatment of infantile nasolacrimal duct - blok.结论 自制 冲洗探针治疗婴幼儿鼻泪管阻塞是一种简便 、 安全 、 实用、有效的治疗方法....
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...