双四边形 ditetragon 四边形单元 quadrilateral element 四边形的 dimetric; quadrangle frame; quadrangled; quadrangular; quadrilateral; tetragon; trapeziform ..
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inscribed tetragon 内接四边形
regular tetragon 正方形
tetragon -factor 四边形2因子
tetragon 2-factor 四边形2因子
arbitrary tetragon plate 任意四边形薄板
Octagon-Tetragon-Tetragon Phase 四角相
N → a less common name for quadrilateral
Give me an old-fashioned tetragon on a central pivot every time.
每次都给我看一个建在中轴上的四角大楼吧。
And the shapes vary to hexagon, tetragon, acicular and odd different colors are available.
形状有六角形，四角形，长条针形和不规则形状，并有多种颜色可供选择。
Combining with the condition of C-partition and tetragon 2-factor, we give new classes of upper-embeddable graphs.
联系图的顶点划分和四边形2因子的条件，本文给出了新的上可嵌入的图类。
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