| 1. | Digraphs have a simple pictorial representation .
有向图有简单的图形表示。 |
| 2. | The equatorial portion should tend to swing outward .
近赤道的部分会有向外凸出的趋势。 |
| 3. | The graph is a directed graph .
这个图是有向图。 |
| 4. | 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。 |
| 5. | Jem had never named his midnight glimpse of john barton to human being .
杰姆从没有向人吐露他在午夜里见到过约翰巴顿。 |
| 6. | We shall deduce the result from a lemma about euler trails in directed multigraphs .
我们用一个关于有向重图中尤拉迹的引理来证明这个定理。 |
| 7. | My rooms were large, with deeply recessed windows and painted, eighteenth-century paneling .
我住的房间很宽敞，有向里凹陷很深的窗户，油漆过的十八世纪的镶花地板。 |
| 8. | The term directed path, used in signal flow graphs, is identical to what we have called an elementary path .
信号流图中使用的有向路这个名词意义与以前定义的初等路一样。 |
| 9. | If the edges are ordered pairs of vertices then we get the notions of a directed graph and directed multigraph .
如果边都是顶点的有序对，则得到有向图和有向重图的概念。 |
| 10. | There are occasions when we want to refer to a directed tree, in which case it shall be said to be rooted at some vertex .
有时我们要提到有向树，这时必须说它是以某个顶点为根的。 |
