Instead, the naked viral RNA may alter the function of the cells through a mechanism similar to RNA interference, in which the presence of certain RNA sequences can turn genes on and off.

相反，该病毒的裸rna可以通过一个类似rna干扰的机制，改变细胞功能，其中某些RNA序列可以打开和关闭基因。

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Users need a familiar mechanism to quickly supply data or sign off on documents

用户需要一种常见的机制来快速提供数据或停止文档中的操作

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Based on a perfect offset press, a kind of on off pressure mechanism through moving upper and lower blankets is designed.

从双面胶印机的特点出发，设计出一种由上下橡皮滚筒完成动作的离合压机构。

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Kinases can, in many cases, serve as a mechanism for switching a protein on or switching a protein off.

激酶能够,在很多情况下,能够激活一种蛋白或者关闭一种蛋白

耶鲁公开课 - 生物医学工程探索课程节选

Well, if this kinase happens to turn this protein on then you would like to have a mechanism to turn it off as well.

那么在激酶激活蛋白质后,你会希望有一种方法能够使它失活

耶鲁公开课 - 生物医学工程探索课程节选

You see, while retailers are getting ripped off, they're also dependent on the very mechanism that fuels the phenomenon.

NPR: Identification Theft: The Growing Scam Industry

Additionally, the number pad is now on the bottom third of the dual-slide mechanism, not a big deal, but just enough to throw off users upgrading the first time it's opened.

ENGADGET: Helio Ocean 2 Review Mobile

In any event, given Spain's large regional disparities, some equalising mechanism will also still have to be agreed on, with rich regions screaming that they are being ripped off, and poor ones that they are being starved.

ECONOMIST: A survey of Spain