近几年来，由于首都机场的航空运输业务增长迅速，机场的主要设施面临近期内将达到容量饱和的压力。北京市作为2008年第28届奥运会的主办城市，机场是确保奥运会顺利进行的重要航空运输基础设施，也是向全世界展现我国社会发展、经济繁荣，科技进步、精神风貌的窗口。为满足首 In recent years, due to the rapid growth of air transport operations at Capital Airport, major airport facilities are under pressure to reach capacity saturation in the near future. As the host city of the 28th Olympic Games in 2008, Beijing is an important air transport infrastructure to ensure the smooth progress of the Olympic Games. It is also a window to show the world the social development, economic prosperity, technological advancement and spiritual outlook of our country. To meet the first