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文章介绍了国外修建高速公路的背景及技术特征;对高速公路和铁路进行了技术经济比较后认为,我国应避免过早地大搞高速公路建设。
The paper introduces the background and technical features of the construction of expressways abroad. After comparing the technical and economic aspects of expressways and railroads, we think that we should avoid engaging in the construction of expressways prematurely.