1. They are portions of a sphere, a torus or a cone. 他们是一球形、环形或锥形的一部分。
2. A piece of magnetic material, usually torus-shaped, used for storage . 一种供存储器使用的磁性材料,其形状通常是环形曲面体。
3. The equations of the meshing limit line in the first and second enveloping of the dual-torus double-enveloping toroidal worm drive are presented in this paper. 推导了双圆环面包络环面蜗杆磨齿啮合界线方程及其与相配蜗轮啮合的啮合界线方程。
英英解释
n.
1. a ring-shaped surface generated by rotating a circle around an axis that does not intersect the circ
2. commonly the lowest molding at the base of a column