“item difficulty”的概念、定义、翻译、参考文献-科学参考

单词	item difficulty
释义	item difficulty Encyclopedia 理学项目分析释 item difficulty项目难度被试完成测验项目任务时所遇到的困难程度。一般在学业和能力测验中会较多使用难度来考察项目对于被试的难易程度。
随便看	rigid theorem rigid type bearing rigid universal algebra RIG-I-like receptor，RLR Rigil Kent Rigil Kentaurus Rigl al Awwa Rigoletto rigor rigor mortis rigor of proof rigorous Rigorous and Standard Rigorous and Standard Historical Writing rigorous derivation rigorous error limit rigorous justification rigorous proof rigorous solution rigorous theorem rigs per unity month rig substructure rig type Rig-veda Ri Hua Zi's Summary of Materia Medica

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。