有向图的邻接矩阵比较容易建立，但是在建立结构模型时，更有用的是要素间的可达关系。

The Adjacency Matrix of the Directed Graph is easy to build, but the reach-relation of factors is more useful when building the structure model.

youdao

建立动态bom和动态工艺路线，用邻接矩阵理论来解决协同企业之间的动态工艺路线问题。

It has established dynamic BOM (bill of materials) and dynamic technology route, solved the dynamic technology route problem between the coordination enterprises with the adjacent matrix theory.

youdao

以偶对的形式输入一个无向简单图的边，建立该图的邻接矩阵，判断图是否连通(A)。

Even on the form to input an undirected graph edge, the establishment of the adjacency matrix to determine whether the connectivity graph (a).

youdao