The evolution of urban spatial structure is a long process, and its Structure have obvious difference in different historical periods.
城市空间结构的演变是一个漫长的过程，在不同的历史时期，其形态结构具有明显的区别。
The evolution of urban spatial structure is a long process, and its Structure have obvious difference in different historical periods.
城市空间结构的演变是一个漫长的过程，在不同的历史时期，其形态结构具有明显的区别。
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