radii

radii读音音标

英 [\'reɪdɪaɪ]

美 [ˈrediˌaɪ]

radii意思解释

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

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

*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

双语例句

用作名词(n.)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。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。