Electroacoustic parameters and testing methods of loudspeaker system for cinefilm projection 电影放映用扬声器系统电声参数和测量方法
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The introduction of v8 16 mm cinefilm in the 1960s opened up for the film industry possibilities other than mere commercial profits 六十年代超八及十六米厘的出现,使香港的电影发展,在商业以外创造其他的可能。