“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	total variation distance total variation measure total variation non-increasing total variation of a function total variation of a mapping total variation process total variation stable scheme total vector subspace total visual magnitude total wage total water resource control total water resources in pastoral areas total westernization totameter totarane totative totem Totem and Taboo: Resemblances Between the Psychic Lives of Savages and Neurotics Totem and Taboo: Some Points of Agreement between the Mental Lives of Savages and Neurotics Totem Pole To the Lighthouse To the Oak totient constant totient function totient summatory function

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。