Southwest University;
Chongqing 401121;
China;
Chongqing Geomatic Center;
Chongqing 401121;
China;
Institute of Geo-graphic Sciences and Natural Resource Research;
Chinese Academy of Sciences;
Beijing 100101;
China;
城市环境; 中国东部; 空间变化; 贸易发展; 生态环境问题; 对外贸易; 环境保护对策; 外国直接投资;