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近年来公路规划设计有划时代的发展,实际成绩显著的方法之一,要算是航摄测量与电子计算机相配合进行公路设计。美国和瑞典创始这一方法,其后欧洲若干国家也进行研究并付诸应用。日本也在研究发展这一方法,但目前由于地形和土地利用的复杂性以及设计体系上的问题,在实际的应用上此欧美几个国家多少迟缓些;顺应世界科技发展的趋向,认为会引进新技术,研究新方法而付诸买用。
In recent years, highway planning and design has an epoch-making development and one of the most significant achievements in actual practice is the design of aerial design in conjunction with aerial photography and computer. The United States and Sweden initiated this method, followed by a number of European countries also studied and put into use. Japan is also studying this method of development. However, due to the complexity of terrain and land use as well as problems in the design system, the number of countries in Europe and the United States is more or less slow in practical applications. In response to the trend of world technology development, Japan is expected to introduce New technology, research new methods and put it into use.