“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	1,2-diphenylethanedione 1,2 epoxyethane 1,2-epoxyethane 1,2 epoxypropane 1,2-epoxypropane 1,2 ethane diol 1,2-ethane diol 12-form Daoyin Health Exercises 1-(2-hydroxy-4-methoxy phenyl) ethanone 12 Jupiter-stations 12-lead ECG 12-molybdophosphoric acid 12 Mosquitoes and 5 People 1-(2-nitro-imidazolyl)-3-[18F]fluoro-2-propanol 1,2 oxazole 1,2-oxazole 1:2 point identification test method 1,2 propanediol 1,2-propanediol 1,2-propanediol cyclic carbonate 1-(2-pyridylazo)-2-naphthol (PAN) 12 roles of Kunshan tune in the middle period of Qing Dynasty "12th Five-Year" Development Planning of National Environmental Protection Standard "12th Five-Year"National Environmental Protection Regulations and Environmental Economic Policy Construction Planning "12th Five-Year Plan"for Capacity Building of National Environmental Supervision

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。