The theory of generalized metric Spaces is an important question of general topology.
广义度量空间理论是一般拓扑学研究的重要课题。
2
Until now, neither network researcher nor the people who investigate graph theory have agreed on a unified metric set to characterize a topology completely.
然而目前为止，网络领域和图形理论的研究者都没有找到公认统一的参数集来全面的描述一个拓扑图的好坏。
3
The measurement in set theory, the properties of Metric Space, measurement Topology, Measurable Space, Perfect Metric Space and its application in first order circuit are explored in this paper.