山东彩票网

短焦

短焦投影机山东彩票网不仅适合教育,而且适合商务应用,节约空间。会议室小型化;大教室不再流行,小班成为主流,短焦机型满足上述需求。同时,短焦投影机让阴影呈现最小,观众位置更加随意。同时,由于投影距离缩短,投影机在安装时,也不必向以往那样吊装在教师的头顶,既可以避免投影机光线对演讲者眼睛的直射,同时也避免了演讲者的影子被透射在屏幕上遮挡画面。教师可以轻松在投影画面上书写、标注,从而让课堂教学可以更为生动、形象,便于学生的记忆和学习。

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  • OEX925


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  • W318ST


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