Mammalian cells make only the single-stranded variety. If a cell’s defence mechanisms detect double-stranded RNA they destroy it, to protect against infection.
哺乳动物细胞只能识别单链RNA,如果细胞的防御机制发现了双链RNA就会破坏它以保护机体不受病毒的感染。
I only buy grass-fed or organic meat, and so the price can be double that of the mass-produced variety.
对于我本人而言，我只购买绿色有机肉类，所以在大多数的肉类品种中这种肉的价格要翻一番。
In your life, you will encounter a variety of opponents, but do not worry, because the enemy is a double-edged sword, may pose a threat to you, but it may also become a driving force for you.
在你的人生中，一定会遇到各种各样的对手，但不要担心，因为敌人是一把双刃剑，可能对你造成威胁，但也可能成为你进取的动力。
By varying the groove spacing, the diameter of the single or double diameter hole, and the rear air cavity depth and content, one can obtain absorption over a wide variety of frequencies.
通过改变槽间距，直径的单人或双人直径孔，与后方空气腔的深度和内容，就可以得到吸收超过各种各样的频率。
The finest taro after peeling, silk, cooking, kneading, and then into a variety of coarse grains, natural color configuration beautiful sweet food, bring you a taste, visual double enjoyment.
上等的芋头经过剥皮、丝化、蒸煮、揉制，再融入各种粗粮，天然的颜色配置斑斓香甜的美食，给你带来味觉、视觉的双重享受。
Main components: a variety of sugars, acids, protein, vitamins, calcium, phosphorus, and various flower pigments of single, double-glucosidase and so on.
主要成分：各种糖类、酸类、蛋白质、维生素、钙、磷以及各种花色素的单、双葡萄糖苷等。
This is accomplished by creating a double-layered shell, made of opaque and translucent fluorine-based plastic (ETFE) in a variety of colors.
我们通过采用各种颜色的透明与不透明的ETFE膜来创建了一个双层表皮的壳体。
By means of intervarietal crossing and linear selection, the new rape variety "Youyan No. 1" of low erucic acid and "Youyan No. 2" of "Double Low"(low erucic acid and low glusosiolate) have been bred.
通过品种间杂交和系谱法选择，育成了甘兰型低芥酸油菜新品种“油研1号”和甘兰型“双低”油菜新品种“油研2号”。
Variety of old and vinegar, vinegar, Montrose, double vinegar, vinegar, special vinegar, Shanxi vinegar, taste vinegar, smoked vinegar.
品种有老陈醋、名特醋、双醋、陈醋、特醋、晋醋、味醋、熏醋等。
The variety, production cross section, energy spectrum and double differential cross section are calculated for the secondary particles produced by reactions of high energy protons in silicon.
计算得到了不同能量的高能质子与硅反应产生的次级粒子种类、截面、能谱和双微分截面。
Double extension tripods are ideal for a much wider variety of applications, due to their expanded height range, i. e. lower bottom and higher top positions.
双重引伸三脚架为应用更广的品种是理想的，由于他们膨胀的高度范围，即。降低底下和更高的顶面位置。
The high temperature reaction centre above the burning surface of the double base propellants and its variety regulation are found.
实验发现了双基推进剂燃烧表面上方高温反应中心的存在和变化规律。
Support double laser beam control, power can be adjusted separately, and can control variety of laser tubes.
支持双激光控制，功率单独可调。且可控制多种激光器。
A variety of patterns made on mini-jacquard single and double knitting machine are discussed systematically. And the technical data for some typical patterns based on experiment are given.
本文比较系统地论述了单双面小提花圆机的产品种类。并结合实际，提供了一些典型品种的工艺参数。
My company has a variety of devices 198 Units, mainly the production of full-thread screw, double-headed stud, round nuts, rings, pin and so on.
我公司有各种设备198台，主要生产全螺纹螺杆、双头螺柱、圆螺母、吊环、销类等。
The Powderpuff variety is completely covered with a double soft and silky coat.
粉扑型覆盖着双层柔软的丝质被毛。
Double disc single speed metallographic sample pre mill M-2 is a wet grinder, it USES the different size of the metallographic sandpaper, on a variety of metal and alloy samples.
双盘单速金相试样预磨机m - 2是一种湿式磨光机，它利用不同粒度的金相砂纸，对各种金属及合金的试样进行磨光。
Flower petal 5, the tip micro concave, the wild wild rose is a single-lobe, also has the double petals cultivated variety.
花瓣5枚，先端微凹，野生蔷薇为单瓣，也有重瓣栽培品种。
To meet market demands, the double-needles series has a variety of needle gauges.
根据市场的需求，双针系列具有各种不同的针矩。
Stable-lines could be developed through platform of microspore culture derived DH (double haploid) breeding technique within two years and stable variety could be produced within 4 years.
利用大麦小孢子加倍单倍体育种技术平台，二年内就可获得种性稳定的株系，四年内即可参加新品种区试。
Zhongmian 16 is a new cotton variety with higher and constant yield, which is suitable for cotton-wheat double cropping system.
中棉16是适于麦棉两熟的丰产、稳产夏播棉新品种。
HUSKY pneumatic double diaphragm pump is simple, highly reliable air valve design is the HUSKY family situations in a variety of applications for maximum reliability.
HUSKY气动双隔膜泵具备简单，高靠得住预设的空气换向阀，是整个HUSKY系列产品能在各类应用环境下使成为事实最大的靠得住性。
HUSKY pneumatic double diaphragm pump is simple, highly reliable air valve design is the HUSKY family situations in a variety of applications for maximum reliability.
HUSKY气动双隔膜泵具备简单，高靠得住预设的空气换向阀，是整个HUSKY系列产品能在各类应用环境下使成为事实最大的靠得住性。
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