recall ratio and precision ratio 查全率和查准率
From the two aspects of recall and precision ratio, the three algorithms are compared.
文章从查全率和查准率两个角度，对三种算法进行比较。
The experimental results show that the proposed approach improves the recall and precision ratio of the information retrieval.
实验结果表明，该方法在检索的查全率和查准率方面都有很大的提升。
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。
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