radius

英 [ˈreɪdiəs]

美 [ˈreɪdiəs]

n. 半径(长度); 半径范围; 周围; 桡骨

复数：radii　

Collins.1 / BNC.7090 / COCA.9413

牛津词典

noun

半径（长度）
a straight line between the centre of a circle and any point on its outer edge; the length of this line
半径范围；周围
a round area that covers the distance mentioned from a central point
1. They deliver to within a 5-mile radius of the store.
  他们在距离商场5英里的范围内送货上门。
桡骨
the shorter bone of the two bones in the lower part of the arm between the elbow and the wrist, on the same side as the thumb

N-SING 半径范围；半径距离
Theradiusaround a particular point is the distance from it in any direction.
1. Nigel has searched for work in a ten-mile radius around his home.
  奈杰尔一直在他家周围10英里的范围内找工作。
N-COUNT 半径
Theradiusof a circle is the distance from its centre to its outside edge.
1. He indicated a semicircle with a radius of about thirty miles.
  他标示出了一个半径大约为30英里的半圆形。

noun

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

There's a zero point and maxima in the relationship curve of beam-waist radius and measurement error.
光腰半径与测量误差的关系曲线出现一零值点和一极大值点。
A sample of the detailed information that RADIUS will provide and manage.
RADIUS将提供和管理的详细信息的一个示例。
Through the simulation to choose the optimum truncation radius and the optimal time step.
经过模仿选择最优的截断半径和最优的时间步长。
Where are you humerus, radius, and ulna?
肱骨、桡骨和尺骨在哪儿？
Further more, the effect of doping concentration and radius of doped area on fiber's nonlinearity is studied.
此外，还讨论了掺杂浓度和掺杂半径对光纤非线性系数的影响。
We give a proof of some upper bounds for the spectral radius of graphs.
该文给出了图的谱半径的一个可达上界的证明。
It is found that the flanging height is increasing with the increase of thickness and the corner radius.
发现随着厚度和弯曲圆角半径的增加，翻边高度增大。
We can compute the circular area with radius.
我们能用半径计算出圆的面积。
This research has certain reference value for the prediction and of spherical charge on blasting cavity radius in soil.
本文的研究对土中爆炸空腔半径预测有一定的参考价值。
The argument to sphere represents the radius of the sphere.
sphere的参数表示了球体的半径。