当前,我国民航事业迅猛发展,多数机场的容量已接近饱和,航班时刻资源紧缺,严重制约了民航强国目标的实现,并造成比较严重的航班延误状况。枢纽机场一般分为国际枢纽、地区枢纽和复合枢纽3类。国际枢纽一般位于国际航线的中心位置,经济文化水平很高,是实现国与国之间交流的重要门户;地区枢纽一般位于国内航线网络的中心位置,经济文化水平相对较高,是连接国内枢纽与枢纽,以及枢纽与辐射机场的重要节点;复合枢纽 At present, the rapid development of China’s civil aviation industry, the capacity of most airports is close to saturation, shortage of resources at the flight time, has seriously hampered the realization of the goal of a civil aviation power and caused more serious flight delays. The hub airports are generally divided into three categories: international hubs, regional hubs and compound hubs. International hubs are generally located at the center of international routes with high levels of economy and culture and are important portals for the exchange between countries. Regional hubs are generally located at the center of the domestic route network with relatively high level of economy and culture. Hub, hub and radiation airport important nodes; complex hub