“item difficulty index”的概念、定义、翻译、参考文献-科学参考

单词	item difficulty index
释义	item difficulty index 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	OPO Opole o-position opossum Oppenauer oxidation Oppenheimer Oppenheimer crater Oppenheimer, Julius Robert oppenheimer limit Oppenheimer-Volkoff limit opponent opponent pair opponent-process theory opportunism opportunistic fungi opportunistic illuminator radar opportunistic infection opportunistic of photography opportunistic parasite opportunistic pathogen opportunistic protozoan opportunistic routing opportunistic sampling opportunistic sensing opportunistic species

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。