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单词 polyhedron
分类 英汉词典
释义
词典释义:
polyhedron
英 [ˌpɒlɪˈhiːdrən]
美 [ˌpɑliˈhidrən]

n. 多面体

  • 形容词 polyhedral
  • 复数 polyhedrons

网络释义

多面体;多角体;裂解病毒系统中多角体;正多面体;

双语例句
  • Each cell in a Voronoi tessellation is a convex polyhedron.

    泰森多边形法中的每个细胞镶嵌是一个凸多面体。

  • The solid is the polyhedron composed by the triangle faces.

    在此结构中,实体为由三角面组成的多面体。

  • Every simple polyhedron is further divided into tetrahedrons.

    每个简单多面体进一步剖分为四面体。

  • Line structure is the most basic structure for a simple polyhedron.

    线条结构是简单多面体最基本的结构。

  • This paper proposes a novel approach for matching perspective views of a polyhedron.

    本文提出了一种匹配多面体透视图的新算法。

近义词
n.
Hedra
同根词

词根 polyhedral

  • polyhedral adj. [数] 多面的;[数] 多面体的

百科

1. A polyhedron (plural polyhedra or polyhedrons) is often defined as a geometric solid with flat faces and straight edges (the word polyhedron comes from the Classical Greek πολύεδρον, from poly-, stem of πολύς, \many,\ + -edron, form of εδρον, \base\, \seat\, or \face\).\nThis definition of a polyhedron is not very precise, and to a modern mathematician is quite unsatisfactory. Grünbaum (1994, p.43) observed, \The Original Sin in the theory of polyhedra goes back to Euclid, and through Kepler, Poinsot, Cauchy and many others ... [in that] at each stage ... the writers failed to define what are the 'polyhedra' ....\ Mathematicians still do not agree as to exactly what makes something a polyhedron.\nAny polyhedron can be built up from different kinds of element or entity, each associated with a different number of dimensions:

释义
n.

Geometry a solid figure with many plane faces, typically more than six

【几何】 (多指六面以上的)多面体。

词源

"late 16th cent.: from Greek poluedron, neuter (used as a noun) of poluedros ‘many-sided’."

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更新时间:2025/4/6 7:46:43