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。
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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