为演示或解释某事物如何运作或者为澄清整体各部分之间的关系而设计的平面图、示意图、图绘或概要图示；
A plan, sketch, drawing, or outline designed to demonstrate or explain how something works or to clarify the relationship between the parts of a whole;
为演示或解释某事物如何运作或者为澄清整体各部分之间的关系而设计的平面图、示意图、图绘或概要图示；
A plan, sketch, drawing, or outline designed to demonstrate or explain how something works or to clarify the relationship between the parts of a whole;
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