“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	electronic navigational chart electronic news gathering electronic newspaper electronic noise electronic noise factor electronic nose Electronic Numerical Integrator and Computer electronic official document electronic ordering system electronic ordering system, EOS electronic organ electronic oscillator electronic packaging failure electronic paper electronic paramagnetism electronic parameter electronic participation electronic party committee electronic passenger transport ticket business electronic patrol system electronic payment electronic payment system electronic penetration electronic people's congress electronic periodicals

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。