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随着社会经济的发展,依然有着紧密社会经济联系的城市群形态、城市分组团发展的形态要求我们从多方面考虑交通的需求。对规模较大城市群而言,
With the development of society and economy, there is still a pattern of urban agglomerations with close social and economic ties. The development pattern of urban sub-groups requires that we consider the needs of transport in many aspects. For larger urban agglomerations,