西瓜单词

helical是什么意思

helical

英 ['helɪk(ə)l; 'hiː-] 美 ['hɛlɪkl]

helical 螺旋的

来自helix,螺旋形。

helical (adj.): "spiral-shaped," 1590s, from Latin helicem (see helix) + -al (1).

1. The polynucleotide chain is helical.

多核苷酸键是螺旋形的.

来自辞典例句

2. In a globular protein, certain portions of the chain are coiled into helical segments.: 在球状蛋白中, 链的某些部分被盘成螺旋状.

3. Two types of viral symmetry have been recognized, the cubical symmetry and helical symmetry.: 已经证实病毒有两种对称型, 即立体对称和螺旋对称.

4. In reality, helical springs symmetric pitch near both ends.: 实际上弹簧两端螺旋角逐渐变小.