管理学 查全率 释 recall ratio 查全率 衡量某一检索系统从文献集中检出相关文献完整度的指标。即检出的相关文献量与全部相关文献量的百分比。又称召回率。 理学 模型选择 释 Recall 查全率 查全率是二分类问题中用来衡量学习器预测性能好坏的常用指标, 其定义为预测为正例且实际也为正例的样例数目与全体样例中正例总数的比值，查全率越高，则学习器的预测性能越好。
数据库 数据库新技术 释文 recall 查全率
- Wallis conical edge
- Wallis constant
- Wallis cosine formula
- Wallis formula
- Wallis problem
- Wallis product wall jet
- Wallis sieve
- Wallis sine formula
- Wallman
- Wallman compactification
- wall materials
- Wall method
- wall-mounted toilet automatic cleaning fluid
- Walloons
- wall paint
- wall painting in Pompeii
- wall paintings from tomb of Wang Chuzhi
- wall-paintings of the Taiping Heavenly Kingdom on Tangzi Street
- Wall Painting Treasures of the Tang Dynasty
- Wallpaper
- wall paper
- wallpaper group
- wallpaper wet lay nonwoven
- wall-plug efficiency
- wall pressure