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城市密集区间的航空运输联系导致城市间的内聚效应和空间互动。城市密集区间的航空运输联系具有明显方向性。京津唐、长江三角洲和珠江三角洲城市密集区间航空运输联系密切 ,国家级大都市与国家级大都市 (区域性大都市 )间联系具有普遍性 ,而与地方性城市中心间航空运输联系具有特殊性。长江三角洲、珠江三角洲和京津唐城市密集区等为人流与信息流联系密切的、以辐射为主的航空中心 ;辽宁中南部城市密集区为航空运输联系欠密切的、人流辐射与信息流集聚中心 ;四川盆地城市密集区为航空运输联系欠密切的、人流集聚与信息流辐射中心
Air transport links in densely populated urban areas lead to cohesive effects and spatial interactions among cities. Air transport links in densely populated urban areas have a clear directionality. Beijing-Tianjin-Tangshan, the Yangtze River Delta and Pearl River Delta cities close to air transport links, national metropolitan and national metropolis (regional metropolis) is universal between the air transport and local city center has a special link Sex. The Yangtze River Delta, the Pearl River Delta and the Beijing-Tianjin-Tangshan Urban Agglomeration are the radiation-based aviation centers with close contact with people and information flows. The agglomerations of densely populated urban areas in central and southern Liaoning are closely related to air transport, Center; Sichuan Basin urban agglomeration area for the air transport connection is not close, the flow of people concentration and information flow radiation center