点集拓扑 meaning in English

general topology

In the paper , we give forty problems of set topology . that ' s part of problems
摘要给出了点集拓仆40个问题，是点集拓扑问题的一部分。
4 ) an algorithm for reliability upper bound assessment of large - size network is presented , which is based on the principle of topological classification of node - set ; and the lower bound can be also obtained by dual graph of oriented network .
应用图论的点集拓扑分类原理，提出一个计算大型复杂网络可靠度上界的类分法，并应用对偶理论求解网络可靠度的下界。
Several spatio - temporal conceptual models are developed . according to the application to spatial topological relationship of point - set topology theory , we also develop point - set topology in temporal relationship field and form the definition and description of temporal relationship
借鉴点集拓扑理论在空间拓扑关系中的应用，把这一理论拓展到了时态拓扑关系的分析中，给出了时态拓扑关系的定义、描述和应用例子。