在精化阶段，我会建议将概念模型中的业务实体映射到遗留系统中的源数据库。
During the Elaboration phase I would suggest mapping business entities within the conceptual model to the source databases within the legacy systems.
论述了课表编排系统数据库的概念模型、逻辑模型以及物理模型的设计和规范化设计。
Discusses the designs of concept models, logic models, physical models and standardization of the database in timetable planning system.
同时，为使高层应用易于对模型进行有效性和一致性检查，采用超图数据结构形式化地定义了上述模型的概念模型。
Besides, in order to facilitate applications to check affectivity and consistency of this model, a formal concept model based on hyper-graph data structure is proposed.
同时，为使高层应用易于对模型进行有效性和一致性检查，采用超图数据结构形式化地定义了上述模型的概念模型。
Besides, in order to facilitate applications to check affectivity and consistency of this model, a formal concept model based on hyper-graph data structure is proposed.
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