helical的意思

helical

英式音标['hɛlɪkl]
美式英标['helɪk(ə)l; 'hiː-]

基本解释

adj. 螺旋形的

中文词源

helical 螺旋的

来自helix,螺旋形。

英文词源

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

实用例句

1. The polynucleotide chain is helical.: 多核苷酸键是螺旋形的.

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.

5. The structure of the light is a helical line.: 提出光的螺旋线模型.

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