vertex造句

• Polyhedra with seven vertices are rare .
  具有七个顶点的多面体是稀少的。
• A vertex with zero outdegree is called a sink .
  出度为零的顶点称作收点。
• Adjoin two new vertices x and y to n .
  在N中添加两个新顶点X和Y。
• Let u and v be nonconsecutive vertices on c .
  设u和v是c上不相邻的两个顶点。
• The component we collapsed had at least two vertices .
  我们毁掉的分支至少有两个顶点。
• Let us label each vertex with a 4 or 3 accordingly .
  我们给每一个顶点相应地标上4或3。
• Vertex a is the initial vertex and b is the terminal vertex .
  A顶点是始端顶点，而b是末端顶点。
• The condensation of d is a directed graph with m vertices .
  D的凝聚图是指一个有m个顶点的有向图。
• A star is defined as the set of edges incident to a vertex .
  一个星形定义为关联于某个顶点的边的集合。
• Up to isomorphism, there is just one complete graph on vertices .
  在同构意义下，几个顶点的完全图只有一个。
• The indegree of a vertex v in d is the number of arcs with head .
  VD中顶点V的入度是指以V为头的弧的数目。
• Every edge connects a vertex labeled 3 with a vertex labeled 4 .
  每一条线都联结一个标上3和一个标上4的顶点。
• A graph is regular if every vertex has the same degree .
  如果一个图的每个顶点都具有相同的度数，则称它是正则图。
• All the interior vertices are connected to exactly three vertices each .
  所有三角形内的顶点恰好与三个顶点相联结。
• A circ is an undirected graph having only vertices of even nonzero degree .
  一广义圈是一无向图，其顶点次数都是非零偶数。
• At the same time convert the angle of the polygon at that vertex into a straight angle .
  同时把该顶点处多角形的角转换成平角。
• Each face is an equilateral triangle and three faces meet at each vertex .
  每一个面是正三角形并且于每一个顶点处有三个面相交。
• It is easily seen that for every graph the vertices can be ordered in such a way .
  显而易见对于每个图，可用这种方法把其顶点编上号。
• We shall present some of the basic properties of the vertex and edge chromatic numbers .
  我们将介绍顶点色数和边色数的一些基本性质。
• An edge corresponds to a corridor and a vertex to the conjunction of several corridors .
  边对应于走廓，而顶点对应于几条走廓的相交点。