“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	LOWESS稳健回归估计 lowest astronomical tide lowest common denominator lowest common multiple lowest divisor function lowest-observed-adverse-effect level lowest price standard for national industrial land transfer lowest term lowest terms fraction lowest unoccupied molecular orbit lowest unoccupied molecular orbital lowest unoccupied molecular orbital (LUMO) lowest unoccupied molecular orbit, LUMO lowest upper bound low expansion alloys low-expansion glass low explosive train (pyrotechnic train) low extraction drug low fertility trap Low-Fidelity Prototype low fidelity prototype low field magnetic stimulation low flow low flow forecasting low flow investigation

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。