珠三角制造业集聚特征及基于增量的演变分析
李汉青, 袁文, 马明清, 袁武

Manufacturing industry agglomeration characteristics in the Pearl River Delta and evolution based on growth data
Hanqing LI, Wen YUAN, Mingqing MA, Wu YUAN
图2 2008年珠三角地区制造业标准差椭圆分析结果
Fig.2 Directional distribution of manufacturing enterprises in the Pearl River Delta region, 2008