“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	affine mean curvature affine metric affine minimal hypersurface affine minimal surface affine morphism affine nonlinear control system affine nonlinear control systems affine normal affine normal vector affine operation affine parameter affine parametrization affine plane affine plane curve affine plate constant affine principal curvature affine principal normal affine property affine pseudo-distance affine ratio affine rational transformation affine relation affine resolvable design affine ring affine root

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。