Cinematography - projector usage of 8 mm type s motion - picture film for direct front projection 电影技术.直接正面放映用8mms型电影胶片放映机的用法
Video projectors once as big as refrigerators are now small enough to fit in briefcases 录像放映机一度曾像冰箱那样大，现在却小的可以装进公文包。
Method for testing optical performance of slide and filmstrip projectors with built - in small screens 小屏幕的幻灯片和35mm幻灯放映机光学性能的测试方法
Slide projectors and slides ; overhead projectors ; transparent films , transparencies , projection aids 幻灯放映机和幻灯片.字幕片放映机.第17部分:透明胶片
Slide projectors and slides ; overhead projectors ; aperture area , location pins , projection screens , evaluation 幻灯放映机和幻灯片.字幕片放映机.第7部分:孔径区
The ballroom is equipped with multifunctional projection , hi - fi system , projector , microphones etc 会议室配有上网接口，多媒体投影、音响、放映机、麦克风等设备。
Evaluation of still projectors with incandescent lamps ; measurement of temperature in the picture area of slides 白炽灯幻灯放映机的评价.第2部分:幻灯片放映区的温度
Method for determining resolving power of lenses for projectors for 35mm filmstrips and slides in 2 x 2 - inch mounts 35mm幻灯片和2 2英寸方形幻灯片放映机用透镜解象力的测定方法
Cinematography - projector usage of 8 mm type r silent motion - picture film for direct front projection - specifications 电影技术.直接正面放映的8mmr型电影胶片放映机的使用.规范
Evaluation of still projectors with incandescent lamps ; measurement of temperature in the projection area of overhead projectors 白炽灯幻灯放映机的评价.第3部分:字幕片放映机投影区
