helix

英 [ˈhiːlɪks]

美 [ˈhiːlɪks]

n.  螺旋(形)

复数：helixes　

IELTS化学

BNC.17577 / COCA.22645

牛津词典

noun

• 螺旋（形）
  a shape like a spiral or a line curved around a cylinder or cone

柯林斯词典

• N-COUNT 螺旋形;螺旋体
  Ahelixis a spiral shape or form.
  1. Coil the fibre into a helix.
     将纤维卷绕成螺旋形。

英英释义

noun

• a structure consisting of something wound in a continuous series of loops
  1. a coil of rope
  Synonym:coilspiralvolutewhorl
• a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle
  Synonym:spiral

双语例句

• Ten machining origins may be set by straight line, arc, helix and parabola.
  直线、圆弧、螺旋线及抛物线可设定10个加工原点。
• The alpha helix is found in muscle protein and keratin.
  α螺旋存在于肌肉蛋白和角蛋白中。
• The clinical application for the condyle fracture by three-dimensional rebuilding of the helix ct.
  螺旋ct三维重建在髁突骨折中的临床运用。
• The DNA molecule is a double helix, resembling a ladder that's been twisted along its length.
  （脱氧核糖核酸）的分子是一种双螺旋结构，酷似一架沿纵向扭曲的梯子。
• The triple helix theory come forth after national innovation system.
  三螺旋理论是继国家创新系统之后新出现的理论模型。
• 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。
• Coil the fibre into a helix.
  将纤维卷绕成螺旋形。
• Genes are segments of the DNA double helix that encode the information for making proteins.
  基因是一段DNA双股螺旋，其中携带了制造蛋白质的编码资讯。
• This paper focuses on the optimal pitch arrangement in double-side heating once-through steam generator with helix tube inside.
  本文主要研究了带内螺旋缠绕管的管套管双面加热直流蒸汽发生器元件中沸腾段内螺旋管螺距设置的优化问题。
• Study and Design of New Type Bifilar Helix Antenna
  一种新型双臂螺旋天线的研究与设计