quadrilateral

noun

1. 四边形
   a flat shape with four straight sides

名词复数形式:quadrilaterals

1. The quadrilateral takes eight arguments representing the four points of the quadrilateral.
   四边形接受八个参数，代表的是这个四边形的四个顶点。
2. You will understand two color pattern of the Left, the triangle is smooth coloring, with the quadrilateral plane coloring.
   你将理解两种着色模式，在左图中，三角形用的是光滑着色，四边形用的是平面着色。
3. The Research and Realization of the Combination Optimization for Quadrilateral Mesh on Discrete Surfaces
   离散曲面四边形剖分的组合优化及实现
4. A light triangular or quadrilateral sail set over a gaff. positive-return cam action forming die
   斜桁中帆下缘张在斜桁上的三角形或四边形轻帆斜楔作用确定回程成形模
5. The upper after corner of a fore-and-aft sail. a quadrilateral sail suspended from a gaff.
   帆顶纵帆角的后上部帆船上缘的斜桁垂下来的四边形的帆。
6. For the point cloud or mesh model with quad-partition, an algorithm of constructing smooth joining B-spline surfaces over arbitrary quadrilateral network was developed.
   针对经过四边形划分的点云或网格模型，提出了在呈任意拓扑四边形的网格上构造光滑拼接曲面片的算法。
7. The structural analysis is based on a quadrilateral flat-shell element and an updated Lagrange ( UL) formulation, which can be employed to model geometric nonlinearities arising from large deflections.
   结构部分以四边形平板壳元为基础，采用更新的拉格朗日（UL）方法分析结构大变形引起的几何非线性问题。
8. A kite is a quadrilateral with one line of symmetry.
   风筝是个有一条对称线的四边形。
9. The method adopted the essential idea of subdividing the quadrilateral mesh to enhance the sampling images of low resolution.
   该方法首先通过一次映射关系获取高分辨图像的部分数据；
10. Research on New Subdivision Scheme for Quadrilateral Meshes
    基于四边形网格的新细分算法的研究
11. A field consistency based co-rotational finite element procedure for 2D quadrilateral element
    基于场一致性的2D四边形单元的共旋坐标法
12. A quadrilateral having two parallel sides.
    梯形一个有两条平行边的四边形。
13. Generalized conforming quadrilateral membrane element with vertex rotational freedom
    含面内刚性转角自由度的四边形广义协调膜元
14. Based on FEM theory, a program of isoperimetric quadrilateral element is made using MATLAB software.
    基于有限元理论，用MATLAB语言编制了四结点等参元计算机程序。
15. Isoparametric element of arbitrary quadrilateral plays an important role in finite element analysis.
    等参数任意四边形单元在有限元分析中有着重要的作用。
16. A trapezoid is a quadrilateral with two parallel sides.
    梯形是具有两平行边的四边形。
17. In US a quadrilateral with two parallel sides.
    有两个平行边的四边形。
18. An Anisotropic Quadrilateral Finite Element Approximation to Bingham Fluid Problem
    管道Bingham流问题的各向异性四边形有限元逼近
19. In this paper, the incompatible displacement functions are constructed which possess completeness in Cartesian coordinates. A pair plane quadrilateral isoparametric incompatible elements are given.
    本文利用直角坐标下函数的完备性来建立等参坐标下的非协调位移函数，给出了一对在直角坐标下二次完备的四边形平面等参非协调元。
20. Diagonal line of a complete quadrilateral
    完全四边形的对角线
21. In this paper, the third version of area coordinate systems for quadrilateral elements ( QAC-III) with two coordinate components ( T1, T2) is systematically established.
    该文系统地建立了具有两个坐标分量（T1，T2）的四边形单元第三类面积坐标系统（QAC-III）。
22. A quadrilateral whose opposite sides are both parallel and equal in length.
    相对的边平行且长度相等的四边形。
23. There are two problems when using mapping method to generate all quadrilateral meshes: one is difficulty of mesh transition; the other is low degree of automation.
    利用映射法生成全四边形网格时存在两个问题：一是网格疏密过渡难，二是自动化程度不高。
24. Quadrilateral Mesh Generation Based on STL File Format Model and Mesh Smoothing
    STL格式文件的四边形网格剖分与网格光顺
25. Of or relating to or shaped like a quadrilateral.
    属于、关于或形状象四边形。
26. Symmetry-preserving Finite Volume Element Scheme on Unstructured Quadrilateral Grids
    非结构四边形网格下的一类保对称有限体元格式
27. In this paper, a search method based on the area of triangle and quadrilateral is presented to solve the problem of recognition of abnormal data in trajectory tracking system.
    研究弹道跟踪系统的异常数据识别问题，导出了一种基于三角形和四边形面积的异常数据识别的搜索方法。
28. The working device is two-segment, quadrilateral telescopic boom, and fork lateral displacement unit adopted in normal type.
    作业装置为两节四边形伸缩式工作臂，标准车型配有货叉侧移装置。
29. Subdivision surface algorithms usually use triangular or quadrilateral meshes. Recently, the hexagonal subdivision algorithm becomes the focus of research.
    细分曲面算法通常采用三角形、四角形面片，最近基于六角形面片的细分算法成为研究的热点。
30. ( in US) a quadrilateral with no parallel sides.
    （在美国）没有平行边的四边形。