1.
Bohr radius was the radius of the circle in which the electron moved in the ground state of the hydrogen atom, according to the Bohr theory.
根据玻尔理论，玻尔半径是在基态氢原子中电子运动的圆周半径。
2.
A line segment that joins the center of a circle with any point on its circumference.
圆半径将圆心与圆周上任一连接起来的线段
3.
double radius button head snap
双半径半圆头铆钉窝子
4.
"cardioid:a heart-shaped plane curve, the locus of a fixed point on a circle that rolls on the circumference of another circle with the same radius."
心脏线:一种心形的平滑曲线,圆周上一固定点绕另一具有相同半径的圆的圆周转动的轨迹.
5.
A heart-shaped plane curve, the locus of a fixed point on a circle that rolls on the circumference of another circle with the same radius.
心脏线一种心形的平滑曲线，圆周上一固定点绕另一具有相同半径的圆的圆周转动的轨迹
6.
working flank radius
齿廓工作段圆弧半径
7.
The reciprocal of the radius of a circle.
曲率一个圆半径的倒数
8.
extend like the radii of a circle.
延伸好像一个圆的半径。
9.
What [How long] is the radius of this circle?
这个圆的半径有多长?
10.
Any two diameters of a circle intersect each other.
圆周内两直径必相交。
11.
Let us draw the circle with center at O and radius equal to a.
我们以点O为圆心，以a为半径，作圆。
12.
the ratio of the circumference to the diameter of a circle.
圆周长度与圆的直径长度的比。
13.
The diameter and the circumference of a circle correlate.
圆的直径与圆周互相关联。
14.
T-Radii and Borel Radii of Meromorphic Functions of Infinite Order in the Unit Disc
单位圆内无穷级亚纯函数的T-半径和Borel半径
15.
Indexable hard metal (carbide) inserts--Corner radii
GB/T2077-1987硬质合金可转位刀片圆角半径
16.
Drag onto the page. Right-click to edit fillet radius.
拖到绘图页上。右击可编辑圆角半径。
17.
Rounded-entry driveway. Corner radius can be specified.
入口为圆角的车道。可指定拐角的半径。
18.
Radii under the head of bolts and screws
GB/T3105-1982螺栓和螺钉的头下圆角半径