基于港口航运网拓扑结构的港口层次划分——以中国城市港口航运网为例
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1672-335x|volume|2|85-90
ISSN: 1672-335x
Source: 中国海洋大学学报:社会科学版, Vol.volume, Iss.2, 2017-01, pp. : 85-90
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Abstract