“查准率”的概念、定义、翻译、参考文献-科学参考

单词	查准率
释义	查准率 Encyclopedia 管理学查准率释 precision查准率衡量信息检索系统检出文献准确性的指标。即检出的相关文献量与检出的文献总量的比率。理学模型选择释 Precision查准率查准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所有被预测为正例的样例数目的比值，查全率越高，则学习器的预测性能越好。 Computer 人工智能机器学习释文 precision rate查准率
随便看	History of Water Conservancy in China history of water conservancy in China history of water conservancy of inland river in northwest China history of water conservancy science and technology history of water conservancy science and technology in China history of water resources development in the world History of Wei history of weights and measures in China history of West Asia history of western esthetics history of Western historiography history of western legal thoughts History of Western Library History of Western Philosophy History of Western Psychology history of western scientific psychology history of Western sociology history of wheat cultivation history of wheat cultivation in China history of woolentextile history of world agricultural economy history of world aviation history of world hydroelectric power technology History of World Industry Design history of world spaceflight

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。