Experimental results indicate that the method can improve the precision and the recall of leaf shape recognition greatly. 实验结果表明，该系统使用的技术能大幅提高叶形识别的精确率和检索率。
The choice of the search words has direct influence on the recall factor and pertinency ratio. 检索词的选择恰当与否直接影响到检索的查全率与查准率。
In information retrieval, recall and precision are regarded as two inter-constraint measures. 摘要在信息检索领域，查全率与查准率是一对相互制约的指标。
