It seems that AutoCAD can only be decomposed with the G(group) command. Select the group name in the dialog box, and then click the explode button at the bottom. No other method has been found yet. Chen Hao CAD has a combo toolbar with a button for disassembling the combo. You can also use the "Disassemble the combo" command.

After grouping objects, you can have a variable to control the group. Its command: pickstyle. Enter a new value for PICKSTYLE.

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In computer aided design, interactive technology is essential. Interactive CAD system means that when users design with computer system, people and machines can exchange information in time. With the interactive system, people can conceive, sample and modify at the same time, and the display results of each step can be seen from the screen of the graphic terminal at any time, which is very intuitive.

Computer design automation Computer-built CAD aims to realize the automation or semi-automation of computer-built design and development process. The research contents include functional design automation and assembly design automation, involving computer hardware description language, system-level simulation, automatic logic synthesis, logic simulation, microprogram automation, automatic logic division, automatic layout and wiring, and the corresponding interactive graphics system and engineering database system. Integrated circuit CAD is sometimes included in the scope of computer design automation.