摘要
本文根据有关的视听理论和教学理论对电教课堂中观看电视的距离、偏角、仰角、环境和对教师及学生的几个基本要求,从理论上进行了讨论和分析,并给出了相应的数据。
The author basing on Audio-visaul and teaching theories discrsses and analyze aeveral demands of distanc, angle of dip; environment and of teacher and students on viewing TV in the classroom. The author gives some relative data on the demands.
出处
《华中师范大学学报（自然科学版）》
CAS
CSCD
1991年第2期256-258,共3页
Journal of Central China Normal University：Natural Sciences
关键词
电化教育
电视
观看效果
educational communication and technology
television
viewing effect
