“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	red brocade with linked-beads and Sun God & his attendants patterns Red Bronze Drum Red Building at Tacheng Red Building of Peking University Red Candle Red Candle Eulogy red card red carved lacquerwork Red Cavalry red cell deformability Red Cherry Red China red chip mode red circuit red clay Red clay soil Red Cliff Red Cloud Red-Clouded Hilllock red clover red clump red clump star Red Coats Army red cold-resistant strain of common carp“Hebao” red common carp ,Xingguo

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。