Information retrieval courseware, to everyone to help. Need to download.

课件\4\网上免费学术资源的检索.ppt
....\.\中外标准信息检索.ppt
....\.\专利信息资源的检索.ppt
....\3\ＩＳＴＰ数据库检索与利用.ppt
....\.\SCI及如何有效投稿核心期刊.ppt
....\.\Ei Village 2数据库检索与利用.ppt
....\2\信息检索基本方法.ppt
....\1\信息检索基础理论.ppt
....\4
....\3
....\2
....\1
课件

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