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radius

[ˈreɪdiəs] [ˈreɪdiəs]
  • 复数:radii;
  • 同义词
    反义词
    柯林斯高阶英汉双解学习词典释义
    英汉词典释义
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    • Noun
      1. the length of a line segment between the center and circumference of a circle or sphere
      2. a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
      3. a circular region whose area is indicated by the length of its radius;
      "they located it within a radius of 2 miles"
      4. the outer and slightly shorter of the two bones of the human forearm
      5. support consisting of a radial member of a wheel joining the hub to the rim
    行业词典
    • 体育: 桡骨;
      动物学: 辐部;桡骨;又称 :桡骨(epiphysis(棘皮动物) );
      医学: 〔复radii〕半径:圆(球)心至圆(球)外周线的任何一条直线;界限,范围:从既定的某一点或某一中心,以固定的距离所确立的圆形区域;辐射线:用于解剖学命名的一种放射状结构;桡骨〔NA〕:前臂外侧(拇指侧)骨,近端与肱骨和尺骨接合构成关节,远端与腕和尺骨接合构成关节;
      数学: 半径;
      解剖学: 桡骨;又称 :桡骨(Radius(拉));