由热引起的

Infectious bovine rhinotracheitis, which was caused by the Bovine herpersvirus-1(BHV-1), was acute, pyrexic and contagious, and incurred great economic loss to the global cattle husbandry. IBR was listed as the B disease by OIE, and was the main object quarantined in the international trade and the animals imported to China.

牛传染性鼻气管炎(infectious bovine rhinotracheitis，IBR)是由I型牛疱疹病毒(bobine herpesivirus-1，BHV-1)引起牛的一种以上呼吸道炎症为主的急性、热性、接触性传染病，给全球养牛业造成了巨大的经济损失，被国际兽医局列为B类疾病，属我国进境动物和国际动物贸易重点检疫的对象。

The inverted terminal repeat gene fragments of goat poxvirus QL、LD、Y、B-strain were multiplied by PCR and cloned into the pMD18-T vector.

山羊痘是由羊痘病毒属山羊痘病毒(Goat poxvirus，GPV)引起山羊及绵羊的一种急性、热性、高度接触性传染病[1]。

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。