中国沿边口岸的时空格局及功能模式
宋周莺, 车姝韵, 王姣娥, 郑蕾

Spatiotemporal distribution and functions of border ports in China
Zhouying SONG, Shuyun CHE, Jiaoe WANG, Lei ZHENG
图2 中国沿边口岸发展的时空格局,1933-2014
Fig.2 Spatiotemporal distribution of border ports in China, 1933-2014