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.Octahedral and icosahedral tessellations work well and are notvery difficult to implement.八面体和二十面体的三角化效果不错,而且也不难实现.The capsi...
There's an economic incentive to comply with the bans, says Ropiek.罗匹克说, 在遵守禁令的问题上还须有经济上的刺激.The bans would lose a significant percentage of their investment.银行的投资便要损失相当大的比例.The convention bans the stockpiling of bio...