#最新

AutoCAD 2009 & AutoCAD LT 2009 All-in-One Desk Reference For Dummies（英文版）

摘录
With the introduction of AutoCAD, CAD wasn’t as foreign of a topic as it once was, but it still had an uphill climb against the wide use and adoption of drafting boards. A drafting board, you might be asking yourself? Yes,before computers and CAD, all designs were done with pencil and paper; if you were really good, you used ink and paper. Today, paper still plays a role in distributing designs, but most designs are now done in a CAD application that allows you to do much more complex things that were not possible with board drafting.....