radius中文什么意思

[ 'reidjəs ]发音:   用"radius"造句
n.
(pl.radii )
1.半径;半径范围。
2.【解剖学】桡骨。
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例句与用法

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  1. The radius expands markedly at its lower end .
    桡骨下端明显扩张。
  2. The saddles must have a generous radius .
    马鞍必须有足够的半径。
  3. The radius represents the advancement index .
    辐枝代表进化指数。
  4. One solar radius equals 696, 000 kilometers .
    一个太阳半径等于696,000公里。
  5. The beam bends to a circular profile of radius r .
    梁弯曲成半径为R的园形形状。

英文释义

名词
  1. support consisting of a radial member of a wheel joining the hub to the rim
    同义词:spoke, wheel spoke
  2. the length of a line segment between the center and circumference of a circle or sphere
    同义词:r
  3. the outer and slightly shorter of the two bones of the human forearm
  4. a circular region whose area is indicated by the length of its radius; "they located it within a radius of 2 miles"
  5. a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)

百科释义

Remote Authentication Dial In User Service (RADIUS) is a networking protocol that provides centralized Authentication, Authorization, and Accounting (AAA) management for computers to connect and use a network service. RADIUS was developed by Livingston Enterprises, Inc.
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