请输入您要查询的字词:

 

单词 torus
释义 torus
A solid generated by rotating a circle about an external line in its plane, also called an anchor ring . It has the shape of the inner tube of a tyre. If r is the radius of the rotating circle and R the distance between the centre of the circle and the axis of rotation, the volume of the torus is 2π2Rr2 and the surface area is 4π2Rr. In Cartesian coordinates, if the z-axis is the axis of rotation, the equation of the torus is
[v(x 2 + y 2) - R] 2 + z 2 = r 2
随便看

 

物理辞典收录了3346条物理词条,基本涵盖了常用物理知识及物理英语单词词组的翻译及用法,是物理学习的有利工具。

 

Copyright © 2000-2023 Newdu.com.com All Rights Reserved
更新时间:2025/6/23 1:15:04