http://www.teyi.org/articles/doc-search-engine.html Fri, 19 Aug 2011 06:54:34 +0000 hourly 1 http://wordpress.org/?v=3.1.3 http://www.teyi.org/articles/doc-search-engine.html/comment-page-1#comment-2379 Paper Google Mon, 28 Dec 2009 07:11:56 +0000 http://www.teyi.org/articles/doc-search-engine.html#comment-2379 <a href="http://www.paper-search-engine.com" title="paper search engine" rel="nofollow">Paper Google</a>的确是一个非常好的 <a href="http://www.pdf-seek-engine.com" title="pdf search engine" rel="nofollow">pdf search</a> engine. Paper Google的确是一个非常好的 pdf search engine.

]]> http://www.teyi.org/articles/doc-search-engine.html/comment-page-1#comment-658 motatabalala Mon, 01 Jun 2009 12:35:20 +0000 http://www.teyi.org/articles/doc-search-engine.html#comment-658 一个比较适合搜索论文等文档paper-search-engine.com ；另一个可能更加适合搜索一般的pdf文件pdf-seek-engine.com 一个比较适合搜索论文等文档paper-search-engine.com ；另一个可能更加适合搜索一般的pdf文件pdf-seek-engine.com

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