“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	tourism creative destruction model Tourism demand Tourism demand elasticity tourism development tourism ecological footprint Tourism Economy Tourism enterprises tourism forecasting tourism geography tourism governance tourism image tourism industry tourism international practice Tourism laws and regulations Tourism market tourism marketing tourism media tourism migration tourism mobility tourism multiplier tourism multiplier effect tourism neo-colonialism tourism online service tourism optimization management model,TOMM tourism pollution

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。