英语语法分析

This is done by using a topological sort algorithm on the graph.

这通过图表中的拓扑排序算法实现。

Without discussing them in detail, here are two additional topological themes.

下面提供了两个其他拓扑主题，我们不再对它们进行详细讨论。

ValueBasedHierarchy is used to define a hierarchy on the basis of the topological structure.

ValueBasedHierarchy用于根据拓扑结构定义层次。