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一、前言近年来,在公路建设中,除考虑公路交通的安全性、舒适性外,还要根据地形条件和照顾风景和自然环境。经济性也是需要充分研究的课题。
I. Foreword In recent years, in highway construction, in addition to considering the safety and comfort of road traffic, the landscape and natural environment should be taken care of according to the topographical conditions. Economics is also a subject that needs full study.