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。”
Moreover, it can be used to optimize any kind of mesh including the triangle, tetragon (2-D), tetrahegon and hexa-face (3-D), etc. 此外，该算法可用于包括二维和三维情形的几乎所有形状的网格，具有非常强的通用性。
There are circle, traingle, square, regular polygon, curve figure, and regular tetragon in each drawer.Children can have knowledge and sense of figures with this material. 蒙特梭利 (感官探索教育) - 几何拼板柜 Montessori (Sensorial) - Geometric Cabinet Geometric cabinet helps children to extend the concept of basic figures taught with geometric figure tray.
Tetra- tetragon n. 四角形；
APPIYING AOM TO THE COORDINATION COMPOUNDS OF OCTAHEDROM AND TETRAGON AOM对八面体和平面四方形配合物的应用
