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- 50%human infectious dose 半数人感染量
- human infectious dose 人感染剂量
- Human infectious diseases can be prevented by incubating vaccines. 人类传染病是通过接种疫苗来进行防治的。
- Flies may transfer organisms into a nonrefrigerated food item, in which they can multiply to an infectious dose. 苍蝇可以通过未冷藏的食物传播病菌,病菌在食物中将会繁殖到可致传染的剂量。
- The longer incubation period could reflect differences in methodology, specificity of diagnosis, route of transmission, infectious dose, or other factors. 更长的潜伏期可能反映了方法学、断的确切性、播途经、染剂量或其他因素的不同。
- The MLD_(50) is about 10~(-7.25)/0.1mL, which was similar to EID_(50) (fifty percent embryonated eggs infectious dose), and it indicated that TIV was highly pathogenic to mice. 结果;TIV 对小鼠表现高致死性;MLD_(50) 约为10~(-7.;25)/0
- median tissue culture infectious dose 半数组织培养感染剂量
- Scientists now believe the American mice had harbored the virus all along but had never been populous enough to scatter infectious doses in people's tool sheds and basements. 科学家们现在认为,病毒一直就潜伏在美洲的老鼠身上,但其数量还没多到能在工具房和地下室里传染给人类的程度。
- It's only human nature to want a comfortable life. 想过舒适的生活不过是普通人的本性。
- Speeches distinguish human beings from animals. 人类和动物的区别在于人会说话。
- The war took a heavy toll of human life. 这次战争夺去了许多人的生命。
- Perhaps it is our human nature to be nostalgic. 也许是人类天生有一种思古之幽情。
- The priest says that the human spirit never dies. 牧师说,人的灵魂永远不死。
- Human life and turnip remain cheap and plentiful. 人命与萝卜依然是多而且便宜。
- "The spores are so small that even an infectious dose - between 8,000 and 10,000 spores - is smaller than a speck of dust." 孢子体积非常小,通常8000 至10000个孢子达到感染浓度,这么多数量的孢子体积要比一粒灰尘的体积还要
- He took a mournful view on human affairs. 他对人世持悲观的态度。
- She was destitute of human feeling. 她一点也没有人的感情。
- Human nature revolts at such a crime. 人性厌恶这样的罪行。
- They listened to his discourse on human relations. 他们听他作关于人际关系的演讲。
- Human tissue is made up of cells. 人体的组织是由细胞构成的。