reflection-type teaching projector 反射式教学投影仪
Projector teaching 投影教学
multi-media projector teaching 多媒体投影教学
This article introduces the shopping principles and the matters need to noticed about teaching projector.
介绍了教学投影机的选购原则和使用注意事项。
Teachers should make full use of tape recorders, in-kind projector, VCD and CD-ROM computer equipment such as multi-media teaching English.
教师要充分利用录音机、实物投影机、VCD光盘及电脑等多媒体设备进行英语教学。
Making transmission projection experimental realia of Ohmmeter is convenient for teaching Ohm-meter measurement principle with the aid of projector.
制作欧姆表透射投影教具，可便于结合投影仪进行欧姆表测量原理的教学。
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