One theory is that the infection has been present in humans for a very long time.
有一种理论认为,这种传染病存在于人类中已经有很长时间了。
《柯林斯高阶英汉双解学习词典》
Combustion efficiency shall be over 99.9 % when burning infectious industrial waste.
燃烧效率应超过99.9%时,工业废物焚烧传染病.
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Acquired immunodeficiency syndrome ( AIDS ) has been a major public health problem worldwide now.
目前获得性免疫缺陷综合征 ( AIDS ) 已成为严重危害全人类健康的传染病之一.
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目的为建立中小城市外来人口的传染病预防控制的模式提供依据.
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Meningitis is an infection of the tissue that covers the brain and cord.
髓膜炎是一种覆盖大脑和脊髓组织的传染病.
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Whooping cough is a serious respiratory disease caused by Bordetella pertussis.
百日咳是一种由百日咳杆菌引起的严重的呼吸系统传染病,百日咳疫苗是预防百日咳最有效和最经济的手段.
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此后作者还能够通过试验室和需报告的传染病记录被动追踪队列.
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This paper mainly devotes to study limit theory of Markov skeleton processes through renewal method.
利用侯振挺教授等人提出的马尔可夫骨架过程理论讨论了传染病数学模型.
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更让我们惊奇的是, 这个问题, 竟然难倒了很多运动生理学家还有传染病学家.
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Being unhappy is like an infections disease. It causes people to shrink away from the sufferer.
不快乐就像是传染病, 它使得人们都躲避不快乐的人.
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Being unhappy is like an infectious disease. It causes people to shrink away from the sufferer.
不快乐就像传染病, 它使得人们对不快乐的人唯恐避之不及.
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