... 圆 round; circular; spherical 平行圆 parallel circles 回转面 revolution surface; rotative surface; surface of revolution ...
基于1个网页-相关网页
parallel circles of torus 圆环面的平行圆
These lines,or circles,are parallel -- meaning that they are equally distant from each other at any point around the world.
VOA: special.2010.07.14
应用推荐
模块上移
模块下移
不移动