An general item bank is designed for on-line examination. According to the demands of the canonical item bank design, a relational database model is designed.
设计了一种适合于在线考试系统的通用试题数据库，根据规范数据库设计的要求，设计了试题库的关系模型。
Using the cross time, the cross market, the counter-fact method observe the effect under regulation or not and using metrological model to carry on an examination.
采用跨时期、跨市场、反事实的方法对规制前后的效果进行对比验证，利用计量经济学模型检验规制的解释力度。
应用推荐