一、问题的提出亚太地区是全球航空运输量增长最快的地区。根据有关统计和预测，亚太地区至欧洲航线运输量年增长率1993～2000年达8．6％，预计2000～2010年间为7.5％。随着航空运输的大幅度增长，由于航路在数量上和技术上的限制，特别是对远程大型飞机来说，得不到理想的经济 First, the issue raised The Asia-Pacific region is the fastest growing air traffic volume in the world. According to relevant statistics and forecasts, the annual growth rate of air traffic volume between Asia and the Pacific to Europe reached 8.6% between 1993 and 2000 and is expected to be 7.5% between 2000 and 2010. With the dramatic increase in air transport, the ideal economy can not be achieved due to the quantitative and technical limitations of air routes, especially for long-haul large aircraft