【摘要】 就计算机实现画法几何与机械制图课程ＣＡｌ辅助教学的意义和方法做了深入探讨，并介绍了ＣＡＩ工程图成图原理的动态表现方法。对在课程中推广和应用ＣＡＩ符有推动作用。更多还原

【Abstract】 Using ordinary computer has special significance for computer aided instructwhich can help students with establishng suitable maths model and understanding projectionprinciple of engineering graphics and learning drawing technique of computer quickly.更多还原