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幻灯机
释义
幻灯机
Encyclopedia
理学
〔光学仪器〕
释
slide projector
幻灯机
一种透射式投影设备。用光学方法将幻灯片投射到银幕上观看,由光学系统、机械和控制机构、散热装置组成。幻灯片通常用135规格的彩色反转片或黑白负片翻制成的正片。
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更新时间:2025/12/11 11:56:46