double-helix

double-helix 基本解释

[医]双螺旋

词组短语

1、double helix [化] 双螺旋

2、double helix model [化] 双螺旋模型

double-helix 用法和例句

1、The shape of the dna molecule is a double helix.

DNA分子的形状是双螺旋结构。

2、A Study of Tooth Contour on Double Helix Tooth Synchronous Belt and Belt Wheel

双螺旋齿同步带及带轮的齿形研究

3、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。

4、Nucleotides are arranged in two long strands that form a spiral called a double helix.

核苷酸排列在两条长链上形成螺旋叫做双螺旋。

5、Ore washing machine is divided into the single spiral ore washing machine and the double helix ore washing machine.

洗矿机分为单螺旋洗矿机和双螺旋洗矿机。

6、a nucleic acid consisting of large molecules shaped like a double helix associated with the transmission of genetic information.

一种含有双螺旋状大分子的核酸, 与基因信息传递有关。

7、The circulatory system of the pulp is reverse direction and the hob bit scatter at the plate as double helix for the remove of the rock residue.

滚刀钻头上的滚刀采用双螺旋线分布，以利于岩渣的排出。

8、It has a double helix structure, like a spiral staircase, which was discovered by Francis Crick and James Watson in the Cavendish lab at Cambridge in 1953.

它有着像螺旋式楼梯一样的双螺旋结构，这一点是由弗朗西斯·克里克和詹姆斯·沃森于1953年在剑桥的卡文迪什实验室里发现的。

重点词汇

double adj. 双的；两倍的；两面派的；双人用的 vt. 使加倍；把…对折；重复 vi. 加倍，加倍努力；快步走 adv. 两倍地；双重地 n. 两倍；双精度型

helix n. 螺旋, 螺旋状物, 耳轮 [化] 螺旋