以下为句子列表：
英文: 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
中文: 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。
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