Spatial contribution of the rapid rail transit network in metropolises
分析了快速轨道交通网络在大城市空间结构演变中的结构特征和积极作用，寻找适合中国大城市空间结构的轨道交通网络空间贡献。
The article focuses on the analysis of the structural features of the rail transit network in the evolution process of the spatial structure of metropolises and its positive role, and seeks for the appropriate spatial contribution of rapid rail transit network adapted to the spatial structure of Chinese metropolises.