Basically, the purpose of this indexer is to return a point corresponding to a given row and column on the drawing surface. Follow these steps.

本质上，该索引器的目的是返回一个与绘制面上已知的行和列相对应的点。

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Therefore, doing research about the method of electrical circuit drawing recognition and intelligent design and developing a corresponding CAD system is a significant and valuable work.

因此，研究电气原理图识别与智能化设计方法并开发相应的电气CAD系统是一项非常有意义的工作。

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Through interactive method, the system can effectively produce corresponding blank drawing for stamping part with complex shape.

通过人机交互方式，对于具有复杂形状的冲压件，该系统也可以有效地生成对应的毛坯图。

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