radius中文什么意思

n.
(pl.radii )
1.半径；半径范围。
2.【解剖学】桡骨。
+更多解释...3.(车轮的)辐；【物理学】辐射线；【无线电】径向射线；辐射物；(六分仪等的)针；【纺织；印染】杼。
4.【植物；植物学】射出花。
短语和例子
within a radius of three miles 在周围三英里以内。 the flying radius 飞行半径；(加一次油的)飞行距离。 a radius of action 【军事】行动[活动]半径[所及范围]；航程；续航距离；续航力。 radius of convergence 【数学】收剑半径。 radius of curvature 【数学】曲率半径。

• no-radius:    零半径
• absence of radius:    桡骨缺失
• action radius:    【军事】行动半径。

例句与用法

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1. The radius vector of each solid is always a positive length .
   每个立体的矢径总是正值长度。
2. There is a velocity difference across the radius of the pipe .
   这条管道半径两端间存在一速度差。
3. This curve can be plotted well against particle radius .
   这一曲线可以很好地用粒子的半径来描绘。
4. Information on nuclear radius comes from a variety of sources .
   关于原子核半径的知识有各种来源。

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.