中国电子机械制造业产品内出口贸易空间布局
李振发, 贺灿飞

Spatial distribution of intra-product export trade of electronic machinery manufacturing products in China
LI Zhenfa, HE Canfei
图1 中国电子机械制造业产品内出口贸易空间布局概念框架
Fig. 1 The conceptual framework of spatial distribution of intra-product export trade of electronic machinery manufacturing products of China