Flu virus can live on shared objects ( doorknobs, keyboards, counters, etc ).病毒可以在共用物品表面生存 ( 门把手 、 键盘 、 柜台等 ).Counters can, of course, be made highly directional by the use of external collimation.当然可以利用外部准直法来提高计数器的方向性.H...
他总是能够瞒骗过追赶他的人.Always before he had been able to outwit his pursuers.这种邮件模仿手机铃声的名称和档案大小来瞒骗过滤系统.It tricks filters by mimicking the name and file size of a cell phone ring tone.这件事情你是瞒骗不过去的, 还不如早些承认吧.You cannot hide this ma...
利用这种性质,特制的碳纤维水泥试块有可能开发为一种本征型应力传感器.An intrinsic sensor can be developed by the use of this property.用作水泥或其它非金属脆性材料试块的抗折强度测定.For flexural strength test of cement specimen and other nonmetallic material.标准养护试块应及时送试验室养护.Samp...
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.用胺作为质子吸收体代替吡啶还是得到同样的结果.Amines other than pyridines have b...