(This course mainly explains the basic knowledge of CAD to help students get started quickly. Through learning, students with zero foundation can also gradually become familiar with the basic knowledge of CAD and improve the basic operation level of CAD! While explaining the basic knowledge, the lecturer will also combine acceleration plug-ins to help you quickly master CAD application skills and shortcut operations. Through the study of this course, you will be proficient in CAD-related knowledge and basic operations, and complete drawing efficiently.)