It gives a suite of modeling concepts which can completely describe the business objects. And the data structures are presented. Therefore, a uniform database concept design framework is achieved.

该方法给出一套能对实际业务对象进行完整描述的概念模型，并给出相应的数据结构设计，从而得到一种统一的数据库概念模型设计框架。

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The database design includes concept and logical design, table create, back up and recover.

数据库设计包括概念和逻辑设计、表结构设计、备份和恢复实现等。

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In order to adapt to the design requirement of spatiotemporal database, this article proposes a new spatiotemporal er enhanced model and introduces its relevant concept as well as design method.

为了满足时空数据库设计的需要，提出了新的时空er模型并给出了相关的概念及设计方法。

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