This model is divided into time class, space class, event class and state class by using object-oriented technology.

利用面向对象技术将模型划分为时间对象类、空间对象类、事件对象类、状态对象类。

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Objects in CAI are united using object-oriented technology and data abstract, and two abstract objects-graph and function object are formed.

利用面向对象技术，通过数据抽象将CAI中不同的对象统一起来，形成两个抽象对象图形对象和功能对象。

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Using Object Oriented Technology(OOT) to implement the data sampling, recording, maintenance and reappearance function module in industry control system.

利用面向对象技术，实现工业控制系统中的数据采样、记录、维护和再现功能模块。

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