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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

        • Effect of Helix Angle Errors on Transmission Error of Double Circle Arc Helical Gears
          双圆弧齿轮的螺旋角误差对其传动误差的影响分析
        • 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。
        • 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。
        • 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。
        • 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
        • 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。
        • 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。
        • 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。
        • In this close-up the DNA is seen as a long twisted molecular ladder, the double helix.
          在这个距离上,DNA看起来像一条长长的扭曲的的分子梯,也就是双螺旋结构。
        • In other words such a molecule is pictured much as if it were a conducting helix.
          换句话说,这样一个分子的图象很像一条导电的螺旋线。