| 单词 | polyhedron |
| 释义 | polyhedron noun[C] mathematicsspecializeduk/ˌpɒl.iˈhiː.drən/us/ˌpɑː.liˈhiː.drɑːn/pluralpolyhedronsorpolyhedrauk/-drə/usasolidshapewith four or moreflatsurfaces: 多面体Acubeis a polyhedron.立方体属于多面体。 Geometrical shapes
polyhedron| American Dictionarypolyhedron noun[C] us/ˌpɑl·iˈhi·drən/pluralpolyhedronsorpolyhedraus/ˌpɑl·iˈhi·drə/geometry asolidshapewith four or moreflatsurfaces Examplesofpolyhedronpolyhedron Then we obtain a facet-defining inequality of the projectedpolyhedron. From theCambridge English Corpus For example, the sample points of a polyhedral obstacle can be the vertices of thepolyhedron. From theCambridge English Corpus Section 2 describes the approach for the construction of enclosing and enclosed ellopsoids of convex polyhedra. From theCambridge English Corpus An approach for computing the enclosed ellipsoid of a convexpolyhedronby compressing, stretching and scaling operations on its best-fit enclosing ellipsoid is introduced. From theCambridge English Corpus Finally, we derive a facet-defining inequality of the originalpolyhedronby introducing the fixed variables in the inequality obtained in the previous step. From theCambridge English Corpus Alternatively, ' 'paper bag' ' icons can mark the position of polyhedra, revealing their size but not their shape. From theCambridge English Corpus For simulations, the links of redundant robots are modeled by a union of line segments or convex polyhedra. From theCambridge English Corpus In particular, special care must be taken to avoid infinite loops bouncing back and forth between refining segments and facets of the inputpolyhedron. From theCambridge English Corpus Therefore, the proposed method just focuses on generating an enclosed ellopsoid, which is as large as possible, to fit thepolyhedrontightly. From theCambridge English Corpus Gluing copies of a 3-dimensionalpolyhedronto obtain a closed nonpositively curved (pseudo)manifold. From theCambridge English Corpus Consequently, how to accurately model convex polyhedra is very important for efficient minimum separating distance computation and collision detection. From theCambridge English Corpus By apolyhedronwe mean a convex 3-dimensional polytope. From theCambridge English Corpus This section introduces polyhedra and studies the problem of how many tetrahedra are needed to mesh them. From theCambridge English Corpus Note that each graph (that is, one-dimensional finitepolyhedron) is a local dendrite. From theCambridge English Corpus A polyhedron's representation is given by the equation (2). From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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