英语单词大全
英语单词大全

radius

/'reidiәs/
柯林斯星级
BNC频率: 7090
现代语料频率: 9413

中文翻译

n. 半径, 范围, 辐射光线
[电] 半径

英文解释

n. the length of a line segment between the center and circumference of a circle or sphere
n. a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
n. a circular region whose area is indicated by the length of its radius
n. the outer and slightly shorter of the two bones of the human forearm

词态变化

复数形式:radii

常见例句

1

n a joint between the distal end of the radius and the proximal row of carpal bones

2

One line or radius falling perpendicularly on another; as, the catheti of a right-angled triangle, that is, the two sides that include the right angle.

3

That part of an elliptical or many-centered arch which has the shorter radius and immediately adjoins the impost. n

4

A curve, traced by a point in the radius, or radius produced, of a circle which rolls upon the concave side of a fixed circle

5

that is, a curve the square of whose radius vector varies inversely as the angle which the radius vector makes with a given line.

相关词组

1

adradius

n. 从辐;纵辐

2

atomic radius

[化] 原子半径

3

Bohr radius

[化] 玻尔半径

4

bond radius

[机] 键半径

5

circumradius

n. [几]外接圆半径

6

classical electron radius

[化] 经典电子半径

7

collapse radius of magnetic bubble

[计] 磁泡缩灭半径

8

covalent radius

[化] 共价半径

9

critical radius

[化] 临界半径

10

crown radius

[化] 碟形半径

11

double ended radius sleeker

[机] 双圆抹镘, 双端抹角弧片

12

effective radius

[化] 有效半径

13

effective radius of the earth

[电] 地球有效半径

14

exradius

外径, 旁切圆直径

15

geometric mean radius

[电] 几何平均半径

16

gyroradius

回转半径

17

hydraulic radius

[化] 水力半径

18

inradius

[数]内径

19

inside radius

[计] 内半径

20

interradius

间步带, (无脊椎)间辐

今日更新

更新时间:2025-06-04 10:05:39