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。
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
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。
Early ideas to counter these issues included cut-off valves and colour-changing paint, but the designer settled on the pop-up mechanism, because of its ease of use.
早期的设想是用计算器来计算包括截止阀和换色涂抹装置在内的仪器，然而这项设计最终才用了自动弹跳机理结构，原因是易于操作。
On off pressure mechanism makes a direct impact on the stability of an offset press.
离合压机构直接影响到印刷机工作的稳定性。
This paper starts off to progress game analysis on design and choice of regional economic mechanism from the perspective of games of incomplete information.
从不完全信息博弈的角度出发，对区域经济机制的设计与选择进行了博弈分析。
Relationship between the main parameters and commutation time is analyzed, based on which, switch-off process after the commutation is described and IGCT commutation mechanism is illustrated.
分析了主要参量与换流时间的关系，在此基础上，描述换流后的关断过程，阐明IGCT的换流机理。
The effect of intermittent irrigation on the drought resistance in rice and the physiological mechanism was studied in water keeping off cement ponds.
在挡雨水泥池中研究了间歇灌溉对水稻抗旱性的影响及其生理机制。
The virtual assembly model of on-off pressure mechanism of offset press has been created by UG software.
应用UG软件对胶印机离合压机构进行了建模与虚拟装配。
This paper systematically sums up the reverse design theory of grippers on-off mechanism, applies it to develop the new product and the desired result has been achieved for.
本文系统总结了咬牙开闭机构的反求设计理论，并将其应用于实际的新产品开发中，取得了预期的设计效果。
Finally focuses on the on-off mechanism of the Nano-based Drug Delivery System (NDDS), and the bio-medical application such as gene therapy.
最后详细介绍智能纳米栽药体系的特点、靶向与释放机制及其在基因工程治疗上的应用。
The lift shaft has the advantage that since the lift shaft adopts a lifting mechanism, passengers can get on and off the bus more conveniently and easily.
本实用新型的有益效果是：由于是采用了升降机构，使得上、下车更方便、省力。
Starting off from the theory of spherical triangle, an analysis was carried out on the relation between component twist angle of spherical four-bar linkage and circuit of mechanism.
从球面三角理论出发，对球面四杆机构构件扭角和机构回路的关系进行分析；
Starting off from the theory of spherical triangle, an analysis was carried out on the relation between component twist angle of spherical four-bar linkage and circuit of mechanism.
从球面三角理论出发，对球面四杆机构构件扭角和机构回路的关系进行分析；
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