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torus    
n. 花托,花床,圓環面

花托,花床,圓環面

torus
n 1: a ring-shaped surface generated by rotating a circle around
an axis that does not intersect the circle [synonym: {torus},
{toroid}]
2: commonly the lowest molding at the base of a column [synonym:
{torus}, {tore}]

Torus \To"rus\ (t[=o]"r[u^]s), n.; pl. {Tori} (t[=o]"r[imac]).
[L., a round, swelling, or bulging place, an elevation. Cf.
3d {Tore}.]
[1913 Webster]
1. (Arch.) A large molding used in the bases of columns. Its
profile is semicircular. See Illust. of {Molding.}
--Brande & C.
[1913 Webster]

2. (Zool.) One of the ventral parapodia of tubicolous
annelids. It usually has the form of an oblong thickening
or elevation of the integument with rows of uncini or
hooks along the center. See Illust. under {Tubicolae}.
[1913 Webster]

3. (Bot.) The receptacle, or part of the flower on which the
carpels stand.
[1913 Webster]

4. (Geom.)
(a) The surface described by the circumference of a circle
revolving about a straight line in its own plane.
(b) The solid inclosed by such a surface; -- sometimes
called an {anchor ring}.

Syn: Syn. --3d Tore[2].
[1913 Webster]

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英文字典中文字典相關資料:
  • Torus - Wikipedia
    In geometry, a torus (pl : tori or toruses) is a surface of revolution generated by revolving a circle in three-dimensional space one full revolution about an axis that is coplanar with the circle The main types of toruses include ring toruses, horn toruses, and spindle toruses
  • Torus - Math is Fun
    Go to Surface Area or Volume A torus is a fascinating 3D shape that looks like a donut or swim ring It is created by revolving a smaller
  • Torus -- from Wolfram MathWorld
    An (ordinary) torus is a surface having genus one, and therefore possessing a single "hole" (left figure) The single-holed "ring" torus is known in older literature as an "anchor ring "
  • Torus Shape – Definition, Examples, and Diagrams
    What is a torus in geometry Learn how to find its surface area and volume with solved examples and diagrams
  • TOPOLOGY, GEOMETRY, AND DYNAMICAL SYSTEM OF TORUS
    The torus, a shape as familiar as a donut yet as rich in complexity as the most intricate mathematical concepts, holds a unique place in the study of mathematics
  • Torus - Simple English Wikipedia, the free encyclopedia
    A torus (plural: tori or toruses) is a tube shape that looks like a doughnut or an inner tube In geometry, a torus is made by rotating a circle in three dimensional space To make a torus, the circle is rotated around a line (called the axis of rotation) that is in the same plane as the circle
  • TORUS Definition Meaning - Merriam-Webster
    The meaning of TORUS is a large molding of convex profile commonly occurring as the lowest molding in the base of a column How to use torus in a sentence
  • Torus - Michigan State University
    A torus is a surface having Genus 1, and therefore possessing a single `` Hole '' The usual torus in 3-D space is shaped like a donut, but the concept of the torus is extremely useful in higher dimensional space as well
  • Torus: Definition, Examples - Statistics How To
    A Torus (plural: tori) is a geometric surface, generated by the revolution of a circle of radius R; The revolution occurs a distance r away from a center point
  • Torus Volume and Area Equation and Calculator - Engineers Edge
    A torus is a surface of revolution generated by revolving a circle in three-dimensional space about an axis coplanar with the circle If the axis of revolution does not touch the circle, the surface has a ring shape and is called a ring torus or simply torus if the ring shape is implicit





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