“题目难度指数”的概念、定义、翻译、参考文献-科学参考

单词	题目难度指数
释义	题目难度指数 Encyclopedia 理学【基本概念】释 item difficulty index题目难度指数测验题目难易程度的度量指标。
随便看	steady-state model steady state motion steady state of open system steady state oscillation steady state process steady-state pulse steady-state response steady-state self-focusing steady state signal steady state solution steady-state solution steady state theory steady-state theory steady-state theory of the universe steady-state value steady-state wave steady sunspot steady uniform flow in open channel steady value steady velocity steady vibration steady voltage source steady working state during exercise Stealing Imperial Horse stealth antennas

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。