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民用机场作为航空运输产业链中的基础设施,为航空运输业的正常运行提供场所及其他必须保障,其供给能力、运营状况直接影响航空运输业的发展,在航空运输产业链中具有举足轻重的作用。经过几十年的建设和发展,我国的机场体系初具规模,机场数量逐年增长,机场密度不断加大,形成以北京、上海、广州等一线枢纽机场为中心,以成都、昆明、重庆、西安、乌鲁木齐、杭州等省会或重点城市机场为骨干,以及众多其他二三线城市干、
Civil airports, as the infrastructure in the air transport industry chain, provide the space and other necessary protection for the normal operation of the air transport industry. Its supply capacity and operating conditions have a direct impact on the development of the air transport industry and play an important role in the air transport industry chain . After decades of construction and development, China’s airport system has begun to take shape. The number of airports has been increasing year by year. The density of airports has been continuously increasing. A first-line hub airport in Beijing, Shanghai and Guangzhou has been formed, with Chengdu, Kunming, Chongqing and Xi’an , Urumqi, Hangzhou and other provincial capitals or key cities and airports as the backbone, as well as many other second and third tier cities dry,