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helical是什么意思

helical

英[ˈhelɪkl] 美[ˈhɛlɪkəl,ˈhilɪ-]

adj.螺旋状的；螺线

roundabout

英语单词

双语例句

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.