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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This method can be used to analyze the semantic relations in object-oriented program units by ripple effect analysis, and the control dependency and data dependency by use of system dependency graph.

提出了把波动效应分析和系统依赖图结合起来进行切片的方法，通过波动效应分析反映面向对象程序中单元间的波动关系，基于系统依赖图切片侧重于分析控制依赖和数据依赖。

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There are many rules in object-oriented systems, which describe the characters of business flow control, data-processing criterion, information filtering strategy and so on.

规则大量存在于面向对象系统中，反映了诸如业务流程控制、数据处理准则、信息过滤策略等特点。

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