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港口群是由若干个其功能或部分功能可以相互替代的个体港口系统组成的港口群体大系统。当两个或几个港口存在共同腹地或地理位置相近时,就形成了一个港
A port group is a large port group system consisting of several individual port systems whose functions or partial functions can substitute for one another. When two or more ports exist in a common hinterland or in a similar geographic location, a port