【摘要】 随着多媒体技术的发展 ,以讲解、板书为主的教学模式发生了改变 ,多媒体技术越来越广泛用于教学。教师讲课时间缩短 ,信息量增大 ,教学效率提高。针对制图教学特点 ,本文通过两个教学实例 ,分析了多媒体教学在提高教学效率中所起的作用更多还原

【Abstract】 Teaching modes have been changed with the developing of multi-media which is applied in teaching widely.The paper studied and analyzed import roles of multi-media teaching in improving instructional efficiency by two examples.Some useful conclusions have been achieved.更多还原