Because one vertex can only have one normal, you must duplicate the vertices as well.

由于一个顶点只能有一条法线，所以你还要复制顶点。

There are two different ways of processing vertices.

在那里有两个关于顶点处理的不同方法。

You would easily select vertices with paint select tool.

你会很容易地选择工具顶点，油漆选择。

Graph: a graph is composed of a set of vertices and a set of edges.

图表：图表是由一组顶点和一组边构成的。

Jim suggested that the Agile triangle consists of the following vertices.

Jim建议“敏捷三角形”应该包括以下三个顶点。