编者按:交通运输是现代工业的先驱,是经济发展的基础和先决条件。随着我国经济的飞速发展和区域间的巨大差异,做为国民经济的先行部门,交通运输往往在国土开发、城市和经济布局形成、大工业发展和规模经济形成等方面都将产生深远影响,并在巩固国家的政治统一和加强国防建设、扩大国际经贸合作和人员往来等诸多方面都将发挥重要作用。2006年,国务院颁布了《国家中长期科学和技术发展规划纲要(2006—2020年)》 Editor's Note: Transportation is a pioneer in modern industry and the foundation and prerequisite for economic development. With the rapid economic development in our country and huge differences among regions, as an antecedent department of the national economy, transport will often have a far-reaching impact on land development, urban and economic layout, large-scale industrial development and economies of scale. And will play an important role in consolidating the country's political unification and strengthening national defense and expanding international economic and trade cooperation and personnel exchanges. In 2006, the State Council promulgated the “National Medium and Long-term Plan for Science and Technology Development (2006-2020)”