Aiming at the problems such as short middle school teaching time,poor spatial imagination of students,and unim-proved self-learning ability of mechanical drawing course,this paper proposes advanced ways to improve students′spatial imagina-tion,expounds the general process of line and surface analysis,and summarizes the process of two-way conception,design,realization and operation of teachers′topic design and students′spatial imagination cultivation under the CDIO mode.It provides reference for stimulating students′interest in learning and improving teaching quality in mechanical drawing teaching.
维普
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