Through the analysis of distinguishing features of CAD operation interfaces under traditional mode and expert mode,all types of important keyboard shortcuts in CAD expert mode,principles and methods of creating keyboard shortcuts in CAD standard command were introduced comprehensively.Taking common building and ornament of landscape as example contained stone bench,hexagonal pavilion,spiral stair,zigzag bridge,railings and flower frame,production processes of 3Drenderings and three-view drawings of six gard...
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