“ 十五”期间我国民航发展的一项重 要任务，就是要实施航空枢纽工 程，进行中枢航线结构的建设。这是民 航经济结构战略性调整的重点之一，对 促进我国民航持续快速发展具有重大而 深远的意义。 为什么要进行中枢航线结构的建设 中枢航线结构建设涉及航空运输布 局的理论与实 During the 10th Five-Year Plan period, an important task for the development of China's civil aviation is to implement the aviation hub project and carry out the construction of the central route structure. This is one of the focuses of the strategic adjustment of the economic structure of civil aviation, which is of great and far-reaching significance for the sustained and rapid development of China's civil aviation. Why do the construction of the central route structure The construction of the central route structure involves the theory and practice of air transport layout