京津冀地区制造业集聚的时空演化特征和差异性分析 |
黄宇金, 孙威 |
Spatiotemporal change characteristics and differences of manufacturing industry agglomeration in the Beijing-Tianjin-Hebei region |
HUANG Yujin, SUN Wei |
图1 2013年京津冀地区制造业企业分布 |
Fig.1 Distribution of manufacturing firms in the Beijing-Tianjin-Hebei region in 2013 |
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