viruses

Across the world a number of groups are trying to develop synthetic polymers to deliver genes, entirely removing the need to use viruses.

世界上一些组织都在试图研制人工聚合物来运载基因，以便完全消除使用病毒的需要。

But viruses altered to have several fail-safe mechanisms would be expected to be less likely to harm normal cells.

但是经过修改，加入诸多安全机制的病毒，伤害正常细胞的机会应该就会小得多。

As the biology becomes crystalline, agents known as viruses and bacteria along with parasites cease to be able to destroy the form.

当生物体变成水晶体，所知为病毒、细菌连同寄生虫的介质也不再能破坏身体。

However, with the advent of molecular diagnostic methods, the role of viruses in foodborne disease outbreaks is beginning to be understood.

不过，带有分子诊断方法的来临，在食物传染疾病爆发里的病毒的角色正开始被理解。

The drugs, too, seem to do that, by reducing the number of viruses in an individual's body.

类似的，药物似乎也能够通过减少个体中的病毒数目来达到同样的效果。

Such a powerful antiviral drugs, with use of plasma can be detected at less than viruses, and the long-term maintenance of this effect.

此种药物具有强大的抗病毒作用，经使用后可在血浆中检测不到病毒，并可长期维持这一疗效。

But a modified approach that does not involve viruses is likely to be the ultimate way of making human stem cells.

一种改良的没有病毒参与的方法可能是制造人体干细胞的最终方式。

When it comes to security, "you could use a Mac instead of a PC, " he said, arguing that viruses are less likely to affect Mac users.

当论及系统安全时，他说：“应该用Mac系统，而不是PC机。”原因在于病毒不太可能攻击Mac用户。

The waste material might have infectivity bacteria, viruses, chemical pollutants and radioactive such harmful substances, for great risk.

废物中可能存有传染性病菌、病毒、化学污染物及放射性等有害物质，具有极大的危险性。

Unlike most seasonal-flu viruses, this one attacked young people most severely and is expected to keep doing so for some time, she said.

她说，与多数季节性流感病毒不同，年轻人群极易感染此病毒，而且今后一段时间可能还会继续保持这一特性。

They are now trying to prove the viruses found in lake ice can actually survive well enough to re-infect birds when the ice melts.

他们现在正在努力证明，在湖冰中找到的病毒确实能很好地活下来，在冰融化之时再次感染鸟类。

He said he checked out the PDF file of the report and it does not contain viruses or other malware.

他还提到，他已经扫描过该报告的PDF文件，里面并没有病毒或其他恶意软件。

The emergence of computer viruses to people must face up to it, and it had to take measures to do so indomitable struggle.

计算机病毒的出现促使人们必须正视它，不得不采取措施和它做不屈不挠的斗争。

Viruses and various polymer materials have been used in efforts to insert therapeutic genes into diseased cells.

病毒和多种聚合物材料曾被用作将治疗性基因插入患病细胞的载体。

Flu viruses can be temperamental, and it's not always an easy matter to get the virus to grow as you want in eggs, " he added. "

流感病毒‘喜怒无常’，并不总是如你所希望的都能在鸡胚中容易的繁殖。

Viruses respond by adapting themselves in such a way that they avoid the defence mechanism, to which the bacteria respond in turn.

病毒需使自己适应这样的方式以避免细菌的防御机制，细菌也是如此。

There's at least three viruses that you know about, which are in this particular monkey.

至少带有三种病毒是你知道的，这些病毒存在于一种特殊的猴子身上。

Where viruses are concerned, what grandma used to tell you is extremely relevant: An ounce of prevention is worth a pound of cure.

对待计算机病毒，老奶奶过去经常对你说的一句话是非常贴切的：一分的预防胜似十分的治疗。

None can distinguish among the different types of flu -- they just tell a patient and a doctor if one of the flu viruses is there.

不能区分不同型流感—只能告诉病人和医生，是一流感病毒。

Score one for Team Living: Some viruses sneak DNA into a bacterium through its, um, sex appendage, a long tube known as a pilus.

“有生命”支持者得一分：有些病毒通过叫做纤毛的一种长管状行期整合到细菌的基因组上。