As the current most widely used CAD software, AutoCAD has penetrated into many fields, but many teaching materials do not give a clear explanation for model space and layout relations. Article describes the relationship using a real partas an example.%AutoCAD是一款应用广泛的CAD软件,但很多教程中对于其模型空间和布局空间的关系并未给出明确解释。以一实际零件为例,对两者之间的关系进行了研究。
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