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。
The topological forcast actually is a prediction of GM(1, 1) model groups.
拓补预测实际上是GM（1，1）模型群的预测。
This paper is mainly about the high power ultrasonic topological analysis and design.
本文主要对提出的高频超声波电源拓扑进行理论分析和设计。
Nature is also rich in topological structures, Yan notes, including the elegant mobius.
自然也是拓扑结构，严指出，包括典雅的莫比乌斯丰富。
Recurrence in Ferstenberg family is one of the important parts in topological dynamics.
族F回归是拓扑动力系统中的一个重要部分。
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。
The topological sorting algorithm works on unconnected graphs as well as connected graphs.
拓扑排序算法既可以用于连通图，也可以用于非连通图。
This paper analyzes its circuit topological structure, principle of operation, and gives experimental result.
分析了其电路拓扑结构、工作原理，并给出实验结果。
The algorithm works because if a vertex has no successors, it must be the last one in the topological ordering.
算法能够执行是因为，如果一个顶点没有后继，那么它肯定是拓扑序列中的最后一个。
This paper presents a topological technique for the sensitivity calculation by means of singal flow graphs theory.
本文提出用信号流图理论求灵敏度的一种拓扑方法。
Studies have shown that the Hilbert curve preserves very well the topological information, even better than the Z-ordering.
研究表明，Hilbert曲线可以很好地保存拓扑信息，甚至优于Z顺序曲线。
The difference between a topological and standard sort is shown in Listing 2 (you can download happybirthday.txt from Resources).
拓扑排序和标准sort之间的差别如清单2所示(您可以从参考资料下载happybirthday . txt)。
But the creation of topological forms capable of reconfiguration, like those produced by nature, has proven more challenging.
但是，能够重新配置拓扑形式像自然生产的，已经证明了创造更具挑战性。
These topological insulators are band insulators with large spin-orbit interactions and exhibit the quantum spin-Hall (QSH) effect.
这些绝缘体是具有强自旋轨道相互作用的能带绝缘体, 并显示出量子自旋霍尔效应.
The method exploits regularities both in the communication phases and in the topological communication structure of a binomial tree.
这一方法不仅利用二项树通信步中的规则性，而且利用了二项树拓扑结构的规则性。
If you need a more esoteric kind of sort routine, you might want to check out the tsort command, which performs a topological sort on a file.
如果需要某种更深奥的排序方法，您可能要查看tsort命令，该命令对文件执行拓扑排序。
Differential topological characteristics of the small signal stability region (SSSR) in power systems are tentatively studied in this paper.
对电力系统小扰动稳定域的微分拓扑学性质进行了初步探讨。
The generation employs space filling curves to preserve the spatial and topological properties (see the Resources section for the H. Sagan book).
这里使用空间填充曲线来保存空间和拓扑属性（请参阅参考资料一节，找到 H.Sagan 撰写的书籍）。
The 'mountains' provide a calming and unifying skin, and yet, under its calm surface, there are topological potentials waiting to be discovered.
在'山'提供了一个平静和统一的皮肤，但其平静的表面下，有潜力拓扑等待被发现。
A social network is constructed based on local telephone call records in a city and the topological characteristics of the network are measured.
根据城市中的电话通话记录建立了一个大型的社会网络，研究了这个网络的有关结构特性。
Lately, a new class of materials has emerged that manifests topological properties at room temperature and without the need of external magnetic fields.
最近，一类新的材料出现，号称不需要外磁场也能在室温下看到拓扑性质。
An initial topological mesh object, connecting on six distributed anchor points within the space, is submitted to an iterative surface tension process.
初始拓扑网格物体连接到空间内六个分布式锚点，形成了一个重复的表面张力。
An initial topological mesh object, connecting on six distributed anchor points within the space, is submitted to an iterative surface tension process.
初始拓扑网格物体连接到空间内六个分布式锚点，形成了一个重复的表面张力。
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