quadrangle
词根词缀：
quadrangle n. 四边形
quadr 四 + angle 角 → 四边形
quadrant n. 象限
quadr 四 + ant …物 → 由四个部分组成 → 象限
quadricycle n. 四轮车
quadri 四 + cycl 圆，环 + e → 四轮车
quadrilateral adj. 四边的
quadri 四 + later 边 + al …的 → 四边的
quadrilingual adj. 用四种语言的
quadri 四 + lingu 语言 + al …的，具有…性质的 → 用四种语言的
quadruplane n. 四翼飞机
quadru 四 + plane 飞机 → 四翼飞机
quadruple v. 使成四倍
quadru 四 + ple …倍的 → 使成四倍
数据来源：新东方英语词汇速记大全
相关例句：
Wire antenna and scatter body structure with faceted triangle and quadrangle surfaces are taken into consideration.
针对多天线-散射体（散射体可看作是由三角形面和四边形平面围成的几何体）结构，提出了一种基于矩量法的散射面自动网格划分方法。
Adopting the space-group extinction rule and simulating the electron diffraction pattern with computer, this paper proposed a new method for selecting the reduced quadrangle.
引入空间群消光规律，用计算机模拟电子衍射图，提出选取约化四边形的新方法。
In the process of target positioning, the influence of distribution relationship of interpolation point and referential points on interpolation accuracy is analyzed. Then the interpolation point that is within quadrangle formed with four neighbor points among referential points is only selected to interpolate.
在对目标定位的研究过程中，分析了插值点与周边基准点分布关系对插值精度的影响，只对位于4个基准点构成的四边形内的插值点进行了插值。
A new approach of construction of3D objects with rotation of2D convex quadrangle is presented.
提出了一种能用凸四边形表示并可作平面展开的三维实体造型的设计方法。
The whole building enclosed a large court; and two sides of the quadrangle, rich in Gothic ornaments, stood forward for admiration.
整座大楼围成一个大四方院，四方院两侧耸立着缀满哥特装饰的楼房，令人为之赞赏。
Diagonal point of a complete quadrangle slanted across a polygon on a diagonal line.
完全四角形的对边点以对角线斜跨多边形的。