“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	February 28th Uprising February 7th Massacre February Countercurrent of 1967 February twenty-ninth fecal excretion fecal fistula fecal incontinence fecal-oral transmission fecal suction truck fecal tampon fecal-urine separation ecological sanitary toilet feces feces channel cleaner feces energy feces examination Fechner crater feck Fe-Co-V permanent magnetic material Fe-Co-V永磁体 Fe-C-O系平衡图 Fe-C phase diagram Fe-Cr-Co permanent magnetic material fecundity fecundity schedule FED

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。