Tóm tắt nội dung: With AutoCAD® software, Autodesk has just one goal in mind: increasing your productivity. AutoCAD 2009 boosts efficiency with customizable and extensible user interface enhancements that increase overall drafting productivity by decreasing the number of steps needed to reach a command. Newly designed, innovative features simplify working with layers and help make new users productive as quickly as possible. Easy-to-use navigation tools make finding your way around 3D models a snap. Move to new highs...