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- chain type double helix 链式双螺旋策略
- That is what a double helix looks like. 这就是二重螺旋线的形状。
- The shape of the DNA molecule is a double helix. DNA分子的形状是双螺旋结构。
- In three dimensions. you see the double helix. 在三维次元里,你看到双螺旋。
- There are five other double helix pairs in the DNA system. 在DNA系统里还有五条其它的双螺旋对。
- Stainless steel structure,chain type feeding material platform. 全不锈钢结构;链式输送料台.
- Each step of the double helix is a base made up of two kinds of nucleic acid. 每阶二重螺旋线都是一个碱基,由两种核酸组成。
- It has been discovered to be the double helix building block of all life. 已经发现是建造所有生命模块的双螺旋体线。
- They found that each molecule of D-N-A is in the shape of a double helix. 他们发现每个DNA分子都是二重螺旋线形状,
- It provided strong evidence of the structure of D-N-A as a double helix. 它为脱氧核糖核酸结构呈双螺旋线提供了有力证据。
- A variable holds numbers with fractions if you declare it to be of type Double. 如果将某个变量声明为Double类型,则该变量可保存带小数的数字。
- They find a third, separated strand in the center of the double helix. 他们发现了第三条,在双螺旋体中心的单独条。
- Breaks appear in the double helix, destabilizing the genome further. 双螺旋上并发生断裂,使得基因组变得更不稳定。
- Chain type long stroke pumping unit is mainly used in mid and anaphase oilfield. 链式长冲程抽油机主要是为开采中、期油田而设计的。
- Multiple structures such as mesh enclosure type, grille type, shockproof ceiling type, chain type, rod type, etc. 有带网罩式,吊链式、吊杆式等多种结构,满足各种场合的不同需要。
- The few fissile materials could not maintain the chain type response(overwhelming majority neutron escape). 少量的裂变材料不能维持链式反应(绝大多数中子逃逸了)。
- The two strands of the double helix are linked by pairs of nucleic acids like the treads in a spiral staircase. 这个双螺旋结构的两股之间是由成对的核酸联结的,它们就像螺旋式楼梯中的踏步板。
- The critical mass the fissile materials smallest quality which needsfor the maintenance chain type response is called the critical mass. 指临界质量临界质量为维持链式反应所需要的裂变材料的最小质量称为临界质量。
- DNA,as a part of genes,was discovered to be a double helix that encodes the blueprints for all living things. 人们发现,DNA作为基因的一部分,为双螺旋结构,携带所有生物型板的编码。
- The blockader and the nick type air defense adopt fire areas connection to form chain type air defense that used to the territory defense. 摘要封锁式防空和阻击式防空一般采用火力区相互接壤而形成链式防空,链式防空用于疆土防御。