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
地理研究 . 2021, (1): 119 -137 .  DOI: 10.11821/dlyj020190854