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中文摘要：
为优化海上丝绸之路航线网络,推进海上丝绸之路的建设,基于复杂网络理论从度值中心性、中间中心性、接近中心性及港口流量等角度分析了其沿线港口的连接性特征。结果表明：海上丝绸之路沿线港口存在层次性,不同层次港口之间垂直联系较发达,横向联系集中于度值在20以上的第一层次核心港口和度值在7到20之间的第二层次半核心港口之间,度值小于7的第三层次边缘港口之间横向联系偏弱。中心性排名前50的港口多分布在中国沿海和东南亚地区,比例达到了60%以上,这些港口拥有最广的联系密度和联系强度,而地中海沿岸和中东地区的塞得港、迪拜港等港口立足区位优势和资源优势,分别拥有突出的中转功能和联系强度,中间中心性和港口流量的排名均处于前5位,从而巩固并提升了其在航线网络中的地位。
英文摘要：
To optimize the Maritime Silk Road route network and to promote the construction of Mar-itime Silk Road, the characteristics of the ports connectivity was analyzed based on the value of de-gree centrality, betweenness centrality, closeness centrality and port flow of complex network theory. The results show that Maritime Silk Road route network maintains a hierarchical structure. There are strong vertical connections between ports of different hierarchies, and horizontal connections could u-sually be seen among core ports of first level with degree value above 20 and half core ports of sec-ond level with degree value between 7 and 20 , while peripheral ports of third level with degree value less than 7 are weakly connected. The centrality top 50 ports, which have the widest contact density and connection strength, mainly locate in China and Southeast Asia, and this distribution proportion reached more than 60%. Several ports of the Mediterranean and the Middle East, such as Port Said and Dubai, based on location and resources advantages, have competitive function of transferring and contact strength respectively, and their rank of betweenness and port flow are in the top 5,which enhance their position in the route network.
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