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世界经济的迅猛发展,带来了交通业的繁荣,各种高新技术公路便在美、英、法等国应运而生,对改善交通和生态环境都有积极作用。
The rapid development of the world economy has brought about the prosperity of the transport industry. Various high-tech roads have emerged in the United States, Britain, France and other countries and have played a positive role in improving traffic and ecological environment.