“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	Classified Collection of Ancient Coins Classified Collection of Song Poetry Classified Comments on Calligraphies and Paintings: From the Eastern Han Epoch to the Early Modern Time Classified Compilation of Ancient Characters Classified Compilation of Yin Ruins Characters Classified Compilation of Yin Ruins Oracle Bone Inscribed Texts classified criteria for security protection of china computer information system classified data classified dictionary Classified Documents on the Worthies of the Present Dynasty Classified Excerpts from Ancient Writers Classified Excerpts from Ancient Writers，block-printed edition ,Song Dynasty classified exhibition Classified indemnify classified information Classified Inner-Party Documents of the Communist Party of China Since Its 6th Congress classified management of contaminated sites Classified management of pension institutions classified management of radiation safety Classified Materia Medica from Historical Classics for Emergency Classified Notes on Painting from the Bitter-Learning Studio classified number Classified Operatic Manuscripts from the Far Mountain Hall Classified Prefaces to Classical Chinese Opera Selections classified protection of government classified information

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。