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电影自诞生迄今,已经历了从无声到有声、从黑白到彩色两次重大技术革命,蓬蓬勃勃地发展了近百年。但是,近20多年来,随着社会的进步,电视和录像的发展与普及,以及娱乐形式的多样化,世界各国电影工业均先后不同程度地受到了冲击。尽管如此,目前电影仍是娱乐、宣传和教育的重要形式与手段之一。以胶片为信息载体的传统电影有相当强的生命力。传统的电影技术仍在不断地发展。传统的电影技术装备也已开
Since its birth, the film has experienced two major technological revolutions, from silent to sound, from black and white to color, and it has been flourishingly developed for nearly a hundred years. However, in the last 20 years or so, with the progress of society, the development and popularization of television and video, and the diversification of entertainment forms, the film industry in various countries has been affected to varying degrees. Despite this, movies are still one of the most important forms and means of entertainment, publicity and education. Traditional films that use film as their carrier of information have considerable vitality. The traditional film technology is still constantly developing. Traditional film technology equipment has also been opened