This paper makes an analysis of the features of accessing the EPO (European Patent Of- rice) website with its system, category, pattern, sub-field retrieval, Boolean operators discussed.
本文从检索体系、检索范围、报道形式、检索字段、检索算符及显示结果等五个方面，对欧洲专利局网站的检索特点做了深入的解剖。
The data retrieval, the data visualization, and the constructing of the website of the database are also introduced.
阐述了数据的检索、数据的可视化以及数据库网站的搭建等方面内容。
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