题目内容
Lines and circles are the basic components most AutoCAD drawings arc composed from/of.
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Line，Polyline and Circle are the basics while Multiline and Multiline Style are more advanced commands.
Properly mastering the basics can add to your confidence.
As a newcomer to AutoCAD，you’d better use the commands from the Draw pull-down menu.
The visual syntax is common to all pull-downs including AutoCAD commands as well as the Windows operating system.
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