基于货物结构的中国沿海港口运输职能判别
王伟, 王成金, 金凤君

The classification of transportation function of China's coastal ports based on cargo structure
Wei WANG, Chengjin WANG, Fengjun JIN
图3 港口规模与综合性/专业化的对应关系
Fig. 3 Corresponding relationship between port scale and comprehensiveness/specialization