1·It provides an essential condition for the research on the relations between recall ratio and precision ratio.
为进一步研究查全率与查准率的关系提供了必要的条件。
2·Experiment results show that this method can improve precision ratio to a certain extent, but recall ratio greatly.
实验表明，该方法会有效提升查全率并且会改进查准率。
3·Retrieval performance includes evaluation of recall ratio, precision ratio, speed of retrieval, cost and convemence etc.
检索性能主要包括查全率、查准率、检索速度、费用与方便性等指标。
4·The article discusses several guidelines evaluating search engine such as recall ratio, precision ratio and response time;
探讨了评价搜索引擎的几个指标，如查全率、查准率、响应时间等；
5·Conclusion the information search system utilizing the presented model is believed to have higher accurate ratio and recall ratio.
结论利用此模型实现的信息检索系统进行信息检索时具有更高的准确率和查全率。
6·Assemble model can draw components of retrieval system precisely, it can also be used to account recall ratio, and precision ratio.
集合模型能够精确地描述检索系统的构成，还可以用来计算检索的查全率和查准率。
7·To enhance recall ratio and precision ratio of information retrieval, the paper designs the model of spam filtering based on semantic grid.
本文以增强语义信息，提高搜索的查全率和查准率为目标，设计了基于语义网格的垃圾邮件过滤模块。
8·The design can realize the corresponding retrieval system, and the experiment also indicates that this system can improve recall ratio and pr...
设计实现了相应的检索系统，实验表明，该系统可以有效地提高检索的查全率与查准率。
9·Conforming to the universal full-text search engine, it is also confronted with the problem of low-recall ratio and high dissipation of web resource.
但与通用全文搜索引擎类似，全文检索的垂直搜索引擎存在着查全率较低、网络资源消耗过多等问题。
10·Experiment results prove that this system can improve recall ratio and precision ratio effectively and then attain a satisfying personal retrieving effect.
实验结果证明，该系统可以提高查全率和查准率的有效，然后达到一个满意的个人检索效果。