Warning: file_put_contents(): Only 0 of 5535 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/oclz.com/index.php on line 55 urban economic base theory是什么意思，urban economic base theory的翻译，urban economic base theory音标、读音、用法和例句_菜篮子兴趣思朗文词典
Secondly, on the base of urban development and urban theory, studies urban, urban system and economic development. 其次，以城市发展理论和城市体系结构理论为基础，研究了城市，城市体系与经济发展的关系。