torus 的定义
plural to·ri [tawr-ahy]. /ˈtɔr aɪ/.
- Architecture. a large convex molding, more or less semicircular in profile, commonly forming the lowest molding of the base of a column, directly above the plinth, sometimes occurring as one of a pair separated by a scotia and fillets.
- Geometry. Rarely an·chor ring .a doughnut-shaped surface generated by the revolution of a conic, especially a circle, about an exterior line lying in its plane.the solid enclosed by such a surface.
- Botany. the receptacle of a flower.a thickening of the wall membrane in the bordered pits occurring in the tracheid cells of the wood of many conifers.
- Anatomy. a rounded ridge; a protuberant part.
更多torus例句
- If the surface does not have a boundary, like a torus, the first cut must begin and end at the same point.
- A hollow torus can be cut twice — once around the tube and then along the resulting cylinder — so by this definition, it has two holes.
- That there are two one-dimensional loops from which all others can be built means that the Betti number of the torus in dimension one is 2, the same as the number of Riemann’s cuts.
- At each corner of the black marble bases, and touching the torus of the column, the head of a bird or animal has been carved.
- The lateral arcades have similar capitals but only one torus.
- At this time each pistil loosens from the torus and can be easily removed, especially if some animal touch the hooks.
- The slender torus usually distinguished the eight-branch Plantagenet type, and its use here for simple diagonals is an exception.
- As time went on profiles deteriorated, sharp prismatic molds succeeding to the virile torus, or molds fluid and vague.