rebuild topology meaning in English

重建拓扑关系

This paper studies the two problems above . on one hand some necessary improvements are made in existing topology building methods for its higher efficiency and adaptability . on the other hand , a set of methods of updating topology partially are proposed which can reduce the time of rebuilding topology greatly in editing data
本论文重点研究了拓扑关系的建立及其更新问题，一方面对传统的拓扑建立进行了必要的改进，使其具有高效性和通用性；另一方面，提出了一套数据编辑时进行拓扑关系局部更新的方法以减少拓扑重构的时间。