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6 2013年不同企业规模具有全局集聚/分散的行业数量

Fig.6 The number of industries with global agglomeration or dispersion characteristic by firm size in 2013