多媒体教室黑板对师生视觉及投影效果的影响

摘要

Blackboards-in-multi-media-classrooms-can-be-classified-into-two-major-groups-,-including-the-traditional-blackboards-and-the-white-“blackboards-.”-This-paper-analyzes-and-compares-the-two-kinds-of“blackboards”-through-the-blackboard-illumination-calculation-and-intensity-test-.This-paper-systematically-explains-their-influences-on-teacher’s-and-students’-vision-and-projection-effects-,which-provides-scientific-reference-for-choosing-proper-blackboards-for-multi-media-classrooms-.%多媒体教室的黑板主要有传统的黑色黑板和白色“黑板”两大类。该文通过对两类黑板的亮度计算、照度测试，并进行分析对比，研究了黑色黑板与白色“黑板”对师生视觉、投影图像效果上的不同影响，为多媒体教室黑板的选择提供了科学的参考依据。