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单词 radii
释义

radii

听听怎么读
英 ['re?d?a?]
美 [?redi?a?]
是什么意思
  • n.

    半径;半径(距离)( radius的名词复数 );用半径度量的圆形面积;半径范围桡骨;

  • 英英释义

    radius[ 'reidiai ]

    • n.
      • the length of a line segment between the center and circumference of a circle or sphere

        同义词:r

      • a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
      • a circular region whose area is indicated by the length of its radius

        "they located it within a radius of 2 miles"

      • the outer and slightly shorter of the two bones of the human forearm
      • support consisting of a radial member of a wheel joining the hub to the rim

        同义词:spokewheel spoke

    学习怎么用

    词组短语

    curvature radius曲率半径

    radius compensation半径补偿;径差补偿

    bending radius弯曲半径;转弯半径

    radius of curvature曲率半径

    curve radius曲率半径,弯曲半径

    turning radius转弯半径,回转半径;旋转半径

    spectral radius谱半径

    throat radius n. 喉道半径

    minimum radius最小半径

    corner radius圆角半径;刀尖圆弧半径;拐角半径

    edge radius棱角半径

    outer radius n. 外半径

    bend radius弯曲半径

    effective radius有效半径

    rolling radius滚动半径

    radius vector[数]矢径;[天]向径

    radius of gyration回转半径

    fillet radius圆角半径;内圆角半径;齿根圆角半径;过渡圆半径

    nose radius球头半径;刀尖半径

    radius ratio半径比

    更多收起词组短语

    双语例句

    用作名词(n.)
    1. A plane figure bounded by two radii and the included arc of a circle.
      由两个半径和两个半径中间的弧所形成的一个平面形状。
    2. It is now necessary to introduce a sign convention for radii of curvature.
      现在必须介绍曲率半径的正负号规则。

    权威例句

    Atomic Radii in Crystals
    van der Waals volumes. radii
    Atomic Radii and Interatomic Distances in Metals
    Approximations to the radii of Roche lobes
    Optimum transmission radii for packet radio networks or why six is a magic number
    Planetary Radii across Five Orders of Magnitude in Mass and Stellar Insolation: Application to Transits
    Hydrodynamic Radii of Native and Denatured Proteins Measured by Pulse Field Gradient NMR Techniques?
    Phenomenological Theory of Ion Solvation. Effective Radii of Hydrated Ions
    Measurement of interaction cross sections and nuclear radii of unstable p-shell nuclei
    The GB/SA Continuum Model for Solvation. A Fast Analytical Method for the Calculation of Approximate Born Radii
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