“precision at N document level”的概念、定义、翻译、参考文献-科学参考

单词	precision at N document level
释义	precision at N document level Encyclopedia 管理学P@N释 precision at N document levelP@N 检索系统返回的全部文献中前N篇文献的查准率。Precision@N的简称。
随便看	fourfold fourfold axis fourfold classification fourfold knot fourfold [symmetry] axis fourfold symmetry axis fourfold table four-force four forms four forms of law of the Song Dynasty four fractions four frame Four Freedoms four-frequency differential laser gyroscope four fundamental keys four fundamental operations four fundamental rules Four Garrisons of Anxi Protectorate Four-gate Boxing Four-gate Pagoda Four Generations Four Generations under One Roof four genres of storytelling Four Girls four gods

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。