“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	food safety regulation food safety risk analysis food safety risk communication food safety risk sampling site food safety risks identification food safety risk surveillance food safety standards Food Safety Standards of People’s Republic of China food safety supervision and administration food safety traceability Food salary food sales Food Science food science Food security for the Military food security policy food sensory analysis laboratory food sensory evaluation food spectrum food spoilage microorganism food stabilizer food stabilizers Food Standards Agency of Australia New Zealand food subjective evaluation method food supply chain

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。