【摘要】 根据电教教材建设中存在的问题及其产生的原因，提出加强电教教材建设与科学管理的建议和措施，以达到提高电化教学质量和优化教学效果的目的。更多还原

【Abstract】 Acco rding to the problems in the development of the audio-video teaching materials and their cause, suggestion and measures are advanced in the paper so as to improve the teaching quality and better the effect.更多还原