“Thunen's circles”的概念、定义、翻译、参考文献-科学参考

单词	Thunen's circles
释义	Thunen's circles Encyclopedia 经济学农业区位论释 Thunen's circles杜能环德国经济学家J.H.von杜能（Johan Heinrich von Thunnen，1783～1850）提出的有关农业生产布局的圈层结构。
随便看	Changjiang Qu Changjiang River diluted water Changjiang River Scientific Research Institute Changjiang Sanjiaozhou Changjiang Sanjiaozhou Chongji Pingyuan Chang Jiang Scholars Program Changjiang Tunnel in Shanghai Changjiang Water Resources Commission of the Ministry of Water Resources Changjiang Zhongxiayou Pingyuan Changjiang-Zhuzhou-Xiangtan Guojia Zizhu Chuangxin Shifanqu Changjiang-Zhuzhou-Xiangtan Liangxing Shehui Zonghe Peitao Gaige Shiyanqu Changjiang（Yangtze）River Three Gorges Hydroproject Chang Jianjun Changjia Quan Changjia Zhuangyuan Changji Huizu Zizhizhou Chang Jin Chang Jing Chang Jingzhi Changjinho Changji Shi Changjitu Kaifa Kaifang Xiandaoqu Changji verse form Changle Museum of Fuzhou Changle Palace

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。