WdI和fAOSTAT数据库是研究跨国技术进步、技术扩散、对外投资常用的两个数据库。对这两个数据库的共性指标、使用现状、辅助数据库进行了介绍。以两个序列为例,介绍了WdI和fAOSTAT新版数据库的网络查询界面、检索方法及个性化功能使用技巧。WDI and FAOSTAT are two databases frequently used to study cross-country technological progress, technology diffusion, and foreign investment.The paper gives a brief introduction to their common features, status quo of application, and auxiliary databases.Taking two sequences for example, the paper also introduces new edition of WDI 's and FAOSTAT's databases' inquiry interface, retrieval methods and use skills for personalized functions
