“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	service adapter service agreement service application mode service area service authorization service availability service binding and invocation Service blueprint service bus service business index system service business innovation and planning service business model and service business analysis modeling service business performance monitoring service business process integration management service business process model mapping service center for agriculture service centrism service choreography service classification service community chain Service Component service component architecture service component architecture, SCA service composition service composition model

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。