| 1. | The nondescript bacteria were responsible for the infectivity of the filtrate .
这种滤液的侵染性应归之于不能描述的细菌。
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| 2. | The infectivity and other properties of viruses can be assayed by several methods .
病毒的传染性及其它性质可通过几种方法鉴定。
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| 3. | Viruses do not loose their infectivity following their adsorption to a solid particles .
病毒吸附到固体颗粒上后并不丧失它们的感染力。
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| 4. | This shows that the rigors of space flight can reduce the infectivity of some viruses .
这表明在苛刻的空间飞行条件下，能减少某些病毒的感染力。
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| 5. | The infectivity is quantified by counting the number of infective centers such as plaques pocks and foci .
应用计算感染点数目来确定其传染性，如蚀斑，痘疱及病杜数。
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| 6. | Asymptotically analysis of the curability nonlinear infectivity model
模型渐近分析
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| 7. | Whether to carry virus to have without infectivity
是否携带病毒有无传染性？
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| 8. | Trichomonad is helminth , have certain infectivity
滴虫是寄生虫，具有一定的传染性。
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| 9. | Normally second liver carrier does not have infectivity , can enter a school
按理乙肝带菌者无传染性，可以入学！
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| 10. | Is lung cancer infected ? what phase infectivity is the strongest ? how to treat
肺癌传染吗?什么阶段传染性最强?如何治疗
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