To model inheritance on a class diagram, a solid line is drawn from the child class (the class inheriting the behavior) with a closed, unfilled arrowhead (or triangle) pointing to the super class.
为了在一个类图上建模继承，从子类(要继承行为的类)拉出一条闭合的，单键头(或三角形)的实线指向超类。
Color ring and a level section of A. H. Munsell color solid were analysed with regular triangle. Schemes for trigonal color design suitable for furniture design were suggested.
通过正三角形分析色环及孟赛尔色立体水平剖面，寻找三角色设计的配色方法，并应用于家具设计中。
The solid is the polyhedron composed by the triangle faces.
在此结构中，实体为由三角面组成的多面体。
The tetrahedron triangle module is a solid module with four planes;
四面三角体模块是有四 个平面的立体模块；
Two hollow red ovals. A solid blue triangle. Now, is there a third tile that completes the series?
两个凹陷的红色椭圆形，一个实心的蓝色三角形，那么这个系列的第三个图形是？
Two hollow red ovals. A solid blue triangle. Now, is there a third tile that completes the series?
两个凹陷的红色椭圆形，一个实心的蓝色三角形，那么这个系列的第三个图形是？
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