疫苗的

There are two kinds of polio vaccine.

现在有两种脊髓灰质炎的疫苗。

The World Health Organization has begun to use a new vaccine against polio.

世界卫生组织已经开始使用新的疫苗预防小儿麻痹症。

Those cases, however, were caused by the polio vaccine itself.

然而，这些病例却是由疫苗本身造成的。

This year however all have to be alert of flu pandemic. Seriously consider taking any precautious measures such as flu vaccination before departure; take good care of your health conditions while overseas and on return to make sure you would not be a carrier spreading the virus back in Australian home and community.

在回去前，大家要细心考虑是否要打预防疫苗，而回到香港或中国后，更要注重卫生，减低感染机会，并且在回到澳洲后，注意自己健康情况，以防把病毒带回澳洲，在自己身处社区扩散，影响自己的家人朋友。

Preclinical safety assessment is an important step in new vaccine development.

临床前安全性评价是疫苗研发的重要环节之一。

Cholera current vaccines to pretest protect against cholera must be kept in cold storage.

当前为了防止霍乱的疫苗必须在冷藏室内保存。

Pseudorabies or Aujeszky's disease is one of the most important infectious diseases harming pig industry.

核酸疫苗具有安全、有效、研制简单、生产成本低等优点，已经成为人们研究重大疾病免疫预防的主要方向之一。

We studied the immunogenicity of pseudorabies virus gC DNA vaccination by fusing the murine complement C3d receptor binding domain.

研究补体C3d的受体结合功能区(M28)对伪狂犬病毒gC基因DNA疫苗免疫增强作用。

Dr. Goldstein writes,"What is being proven now is that a puppyhood or kittenhood vaccine, like a human vaccine, can last a lifetime."

像人一样，很多疫苗都是可以一生有效的。

Over 400 people ranging in age from 18 to 60 took the trial test between September and November.

在9月到11月间有在18到60岁之间的超过400多人接受了疫苗临床试验。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。