查全率和查准率是评估信息检索系统检索质量的两个基本标准。
Recall and precision are the basic criteria for evaluation of retrieval quality in information retrieval systems.
这些方法扩展了XML文档查询范围，提高了文档的查全率和查准率。
They extend scope for searching XML documents, and improve recall and precision for searching XML documents.
这种方法能够兼顾构件检索的查全率和查准率，并且有较高的检索效率。
This method can give dual attention to the recall and precision of component retrieval and has higher retrieval efficiency.
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