摘要
该文阐述了在多媒体教室建设中如何选择占投资比例较大的投影机和投影屏幕,探讨了二者之间的相互关系,并提出了一些技术参数和具体的做法供大家参考。
This article introduces how to choose projection machine and screens, which occupies the majority invest during the construction of the multimedia classroom. This paper discusses the relation between the machine and screen and provides with some technical parameters and purchase plan.
出处
《现代教育技术》
2004年第2期72-76,共5页
Modern Educational Technology
关键词
投影机
屏幕
选择
多媒体教室
Multimedia Classroom, Projection Machine, Screen, Brightness, Gain
