circ造句

1、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。

2、The fundamental circuits relative to a spanning tree is a basis of the circ subspace.
与一生成树相关的基本圈是广义圈子空间的一个基底。

3、We use script letter to avoid confusion with the incidence and circ matrices.
为了避免与关联矩阵和广义圈矩阵混淆，我们利用了草体字母。