建立对象模型的步骤为：寻找类对象，识别结构，定义属性，定义服务。

Steps that establish object model are: looking for an object class, identifying the construction, defining property, and defining service.

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现在已经有两名学员在剑桥工作了一个月，使用已经上市的软件开始为巡航状态的发动机性能建立对象模型。

Already, two trainees have been at Cambridge University for a month, using commercially available software to begin setting objectives for the performance of the engine during cruise.

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本文通过利用UML方法对系统进行分析和设计来建立对象模型，借助系统对象模型来实现面向对象数据库的设计。

This paper analyses the technique of establishing the object model for application system by using the UML method and of designing database which is realized by making use of the object model.

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