“词频-逆文档频率”的概念、定义、翻译、参考文献-科学参考

单词	词频-逆文档频率
释义	词频-逆文档频率 Encyclopedia 管理学词频-逆文档频率释 term frequency-inverse document frequency; TF-IDF词频-逆文档频率用于信息检索与数据挖掘的常用加权技术。
随便看	nearly parabolic orbit nearly perfect code nearly perfect crystal nearly poised series nearly reducible matrix near-magic nucleus near mapping near-marine sediment geochemical survey near miss near-monochromatic radiation near-natural wetland near nature fiver engineering method near neighbor near neighbor problem nearness nearness product space nearness space near neutral stress corrosion near noble number near-normal distribution near-pencil near point near range appeared compressed near real-time near reflex of the pupil/pupillary accommodation reflex

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。