This paper uses the authoritative data bank from all over the world to compare the undetected item that retrieval words of leakiness which flowed by -and Greece alphabet in document retrieval,then discuss how to enhance the recall ratio and the precision
This paper uses the authoritative data bank from all over the world to compare the undetected item that retrieval words of leakiness which flowed by -and Greece alphabet in document retrieval,then discuss how to enhance the recall ratio and the precision
本文利用国内外的医学权威数据库,将医学文献中带“—”和希腊字母的易漏检检索词,通过检索实例比较,探讨如何提高查全率和查准率,以让更多的科研人员掌握其检索技巧,从而更好地为科研服务。