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

• This paper gives a quantitative analysis and comparative research which based on data mining for SCI2000 and Triple Helix Algorithm.
  引荐了这方面的一个基于SCI2000的数据挖掘后，在三重螺旋算法下的定量规范性研究，并进行了相应国别区域比较分析。
• Structurally, DNA is composed of two strands that intertwine to form a spring-like structure called the double helix.
  从结构上讲，DNA是由两条链相互缠绕构成弹簧状结构称为双螺旋。
• DNA double helix, secondary structure of RNA, and elements of protein folding;
  DNA双螺旋线，RNA（译注：核糖核酸，下同）的二级结构和蛋白质折叠基元；
• The collagen in the serosa is made up of a triple helix molecular structure.
  绒毛膜上的胶原组成了三角形的落选分子结构。
• It provided strong evidence of the structure of D-N-A as a double helix.
  它为脱氧核糖核酸结构呈双螺旋线提供了有力证据。
• 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。
• He codiscovered DNA's double helix, revealing the code of life to scientists and entrepreneurs alike.
  他和别人共同发现了DNA的双螺旋结构，揭示了科学家和企业家身上具有相同的密码。
• The formulation of the helix angle of the device with tapered thread is deduced.
  推导了锥螺纹的螺旋升角计算公式。
• 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
• 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。