Autocad (Auto Computer Aided Design) is an automatic computer-aided design software first developed by Autodesk Company in 1982, which is used for two-dimensional drawing, detailed drawing, design documents and basic three-dimensional design. Now it has become a popular drawing tool in the world. AutoCAD has a good user interface, and various operations can be performed through interactive menus or command lines. Its multi-document design environment allows non-computer professionals to learn to use it quickly. In the process of continuous practice, we can better master its various application and development skills, so as to continuously improve work efficiency. AutoCAD has wide adaptability and can run on microcomputers and workstations supported by various operating systems. [ 1]

AutoCAD software is an automatic computer-aided design software produced by Autodesk company in the United States. Can be used to draw two-dimensional drawings and basic three-dimensional design, do not know how to program can also draw automatically. Therefore, it is widely used all over the world, and can be used in many fields such as civil construction, decoration, industrial drawing, engineering drawing, electronic industry, garment processing and so on.

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