尸检分析显示出存在一种未知的病毒，以及一种已知的有毒细菌的证据。
Postmortem analysis showed the presence of an as yet unidentified virus, as well as evidence of a know bacterial toxin.
一种未知的病毒刚攻击了我的电脑。
而对于排除其他未知的病毒却没有好的方法。
医生们把这种疾病的起因归于一种未知的病毒。
The doctors have attributed the cause of the illness to an unknown virus.
在相当长的一段时间里，人们都怀疑是一种从前未知的病毒导致-但是没有任何确凿的证据。
A previously unknown virus had therefore been suspected for quite some time - but without conclusive confirmation.
现在，法国鲁昂大学的研究人员称，他们发现一名62岁的喀麦隆妇女感染了此前未知的病毒毒株。
Now the researchers based at the University of Rouen in France say they've discovered a 62-year-old Cameroonian woman who is contracted a previously-unknown strain.
这种病毒的祖先——像其他病毒一样，可能是其他病毒的混合体，仍是一种未知的病毒——可能几百万年前就存在了。
The ancestor virus - which, like many diseases, may have crossed into simians from another, still-unknown species - may have existed for millions of years.
今年4月，美国疾病控制和预防中心(CDC)收到来自海军研究实验人员的汇报，报告说有一名圣地亚哥地区的孩子感染上一种未知的病毒。
In April, the CDC got a report from Navy researchers that a child in the San Diego area had been infected with an unknown virus.
病毒的自然宿主：未知。
凯伦说，现在的情况是，这种病毒怎么作用还有很多未知因素。
"We have a situation where there are a lot of unknowns with how this virus is going to behave," Kelen says.
安全专家称，该病毒通过利用Windows操作系统以前的未知漏洞专门袭击西门子控制设备。
Security experts say Stuxnet attacked the software in specialized industrial control equipment made by Siemens by exploiting a previously unknown hole in the Windows operating system.
此外，您的计算机将包含所有的已知最邪恶的病毒。 事实上，也可能是所有未知的最邪恶的病毒。
Also, your computer will contain all of the nastiest known computer
这种前所未知的传播机制会导致抗击病毒感染的新方法。
This previously unknown mechanism may lead to new ways to combat viral infections.
不过辨认未知的恶意软件是困难的，继续了解现存各种病毒的差别将更加困难。
But identifying previously unknown malware is difficult, and keeping track of different variants of existing viruses makes it harder.
虽然证实某种病毒感染能触发这种综合症，可是具体的患病原因还是个未知数，而且目前看来无法可医。
The cause is unknown, though the syndrome can be triggered by certain viral infections, and there is no cure.
就与病毒无关癌症而言，这种“暴露”包括了因人而异的基因、环境以及许多其他未知因素。
What passes for "exposure" in the case of nonviral cancers is a combination of genes and environment and a range of other X factors that can vary from person to person.
美国国家疾控中心建议，如果对产妇HIV的病毒状况未知时，应该在分娩过程中进行HIV病毒快速检测。
The CDC recommends rapid HIV testing during Labour, if the woman's HIV status is unknown.12.
由于一些未知原因，治疗疱疹的药物阿昔洛韦(acyclovir)仍然能够降低艾滋病病毒在血液中的含量。
For unknown reasons, the herpes drug acyclovir lowers the level of AIDSvirus in the blood.
对我们而言这是世界卫生组织需要迫切关注的一个国际问题，因为在迄今为止55%确诊死亡的病例中这一病毒还有太多未知数。
This is a grave concern to us here internationally at WHO because there are so many unknowns around the virus which so far has killed 55 percent of the confirmed cases.
在这烟雾中隐藏的未知病毒可以存活上千年。
The unknown bacilli would remain viable as an aerosol for thousands of years.
很多美国人（不仅仅是孕妇）仍然认为，由于猪流感病毒是前所未见的，那么对抗猪流感的疫苗也是完全未知、未经过测试的，风险很大。
Still, there's this sense among many Americans, not just the pregnant ones, that the sheer novelty of the swine flu virus means that the vaccine is something wholly unknown, untested, risky.
相对于传统的特征码匹配方法，这些技术不依靠病毒库，可以防范未知病毒。
Compared with traditional character code matching method, these technology can prevent unknown viruses without virus library.
病毒可以通过不打开未知来源的电子邮件来减少。
Viruses can be reduced by not opening email from unknown sources.
在应对这样一个未知的，传播速度如此之快的流感病毒时，我们要切忌自满。
We need to avoid complacency in dealing with a virus that is an unknown and seems to be spreading quickly.
通过基于流量的检测，实现对于新型未知网络病毒的挖掘。
Then we present an algorithm to detect unknown network virus based on network dataflow.
通过基于流量的检测，实现对于新型未知网络病毒的挖掘。
Then we present an algorithm to detect unknown network virus based on network dataflow.
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