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交通运输是人们出行、货物交流交换活动的所依托的载体,是城市发展的重要基础,需要占用大量的土地和空间资源,消耗大量能源。文章结合相关数据,通过对铁路、公路、民航三种运输方式在土地占用、能源消耗、环境及安全性方面的比较分析,并运用TOPSIS模型对三种运输方式的外部成本进行比较,得出铁路在土地占用、能源消耗、保护环境及安全性上具有比较优势。
Transportation is the carrier on which people travel and exchange goods. It is an important foundation for urban development. It needs to occupy a large amount of land and space resources and consume a large amount of energy. Based on the comparative analysis of land use, energy consumption, environment and safety of the three modes of transport such as railways, highways and civil aviation, the article compared the external costs of the three modes of transportation by TOPSIS model, and concluded that the railway In the land occupation, energy consumption, environmental protection and safety have comparative advantages.