“项目难度”的概念、定义、翻译、参考文献-科学参考

单词	项目难度
释义	项目难度 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	Northern Expedition Campaign against Liao Dynasty in the Yongxi Era of Song northern fur seal northern galaxy Northern Grottoes Northern-Guangdong Subgroup of Tuhua Dialects Northern Guangdong tea-picking opera Northern-Guangxi Subgroup of Pinghua Dialects Northern Han northern hemisphere Northern Hill Poetry Commentary Northern Ireland northern Kunqu opera northern labrador tea northern lapwing northern latitude Northern Learning School Northern Liang northern light northern limit northern limit of eclipse Northern Mariana Islands Northern Media Research Northern-Min Subgroup Dialects Northern Mountain Temple Northern Mount Heng Scenic and Historic Area

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。