• 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.

    设计一种适合在线考试系统通用试题数据库根据规范数据库设计要求,设计了试题库的关系模型

    youdao

  • 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.

    设计一种适合在线考试系统通用试题数据库根据规范数据库设计要求,设计了试题库的关系模型

    youdao

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