“题目难度指数”的概念、定义、翻译、参考文献-科学参考

单词	题目难度指数
释义	题目难度指数 Encyclopedia 理学【基本概念】释 item difficulty index题目难度指数测验题目难易程度的度量指标。
随便看	uterus didelphys uterus parvicollis uterus unicornis U-test u-test Uteve-Portuguese Treaty U Tha Myat U thein nain U Thein Pe Myint U-Th/He dating UTI Utilitarianism utilitarianism utilitarianism ethics Utilitarianism: For and Against utility utility boiler utility computing utility function utility graph utility management systems utility of periodicals utility pipeline utility problem utility program

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。