| 词汇 | quadrilateral |
| 释义 | quadrilateral noun[ C ] mathematics specializeduk /ˌkwɒd.rɪˈlæt.ər.əl/ us /ˌkwɑː.drəˈlæt̬.ɚ.əl/ a flat shape with four straight sides: 四边形 Squares and rectangles are quadrilaterals.正方形和长方形都是四边形。 Geometrical shapes -cornered circularly congruently conic cuboid cylindrically lozenge orbicular ovally ovoid parallelogram pentagon polyhedron polytope prism pyramid rectangle rectangular rhombus three-dimensional quadrilateral | American Dictionaryquadrilateral noun[ C ] us/ˌkwɑ·drəˈlæt̬·ər·əl/ geometry a flat shape with four straight sides Examples of quadrilateralquadrilateral Therefore, preestablished quadrilateral lots could not account for the generation of existing houses. The new edges are marked by line segments and the faces by the quadrilaterals formed. In its present version, it can use both triangular and quadrilateral cells, albeit only in cylindrical geometry. Of course, the shape functions depend on the polynomial order chosen and on the geometric type of the element (namely quadrilateral or triangular). Not all lots are quadrilaterals, as some may have more than four sides. The shape is par titioned into triangles, aiming to simplify the shape into a quadrilateral. These diagrams result in a series of quadrilaterals, which are constrained to parallelograms if there are no interactions. This is clearly not so relevant to the general triangular and quadrilateral meshes that we are concentrating on. Complicated domains must be built up by gluing together quadrilateral patches on which locally sparse grids are employed, or by appropriate mapping techniques. She proposed a top-down approach where the recursive division of quadrilaterals into one or more quadrilaterals described the analyzed urban layout. First, the sparse grid approach is limited to (topologically) quadrilateral domains due to its tensor product nature. A regular vertex in this setting is a vertex with valency 4, and a regular face is also of valency 4, namely, a quadrilateral face. Note that, after one subdivision iteration, all the faces are quadrilateral. Observe that if a quadruple of blocks belongs to 10 then these blocks must form a near-complete quadrilateral. We call such a closed domain enclosed by a pair of increasing curves and a pair of decreasing curves a quadrilateral. 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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