丝绸之路简称“丝路”(图1),原指中西陆路交通线,现代学术界拓展为以中国古代都城长安为始发地,经中亚通往南亚、西亚及欧洲、北非的陆上贸易大通道,也是古代中国与亚欧大陆经济、文化交流的国际大通道。19世纪70年代,德国地理学家李希霍芬(1833-1905年)在 Silk Road referred to as “Silk Road ” (Figure 1), originally referred to the Chinese and Western land lines, the modern academic community to expand to Chang’an, capital of ancient China as the starting point, via Central Asia to South Asia, West Asia and Europe, North Africa The large-scale land trade channel is also an international gateway for economic and cultural exchanges between ancient China and the Eurasian continent. In the 1870s, German geographer Richthofen (1833-1905) was there