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
- urban planning of Shengyang
- urban planning of Tianjin
- urban planning of Versailles
- urban planning of Wuhan
- urban planning on disaster resistance and prevention
- urban planning on flood control
- urban planning regulations
- urban planning regulation system
- Urban Planning Society of China
- urban plant
- urban plaza public space design
- urban politics
- urban population
- urban population base of China
- urban population density
- urban population distribution in China
- urban population problems in China
- urban population projection
- urban population size in the administration area of city
- urban population structure
- urban postal system planning
- urban power distribution network
- urban power supply sources
- urban power supply system planning
- urban primacy