电影是以向公众演示活动影像为其最本质特征的。伴随着电影的诞生 ,形成了以实现电影的演示过程为目的的放映技术专业。电影放映技术 ,作为不可或缺的技术手段与物质基础 ,造就了遍布世界各地、吸引和聚集广大观众的电影院 ,从而实现了电影的最终消费形式和构建了无限广阔的电 Movies are based on the demonstration of moving images to the public as their most essential feature. With the birth of the film, a projection technology professional was formed with the aim of realizing a movie presentation process. Film projection technology, as an indispensable technical means and material basis, has created cinemas all over the world, attracting and gathering a large audience, thus realizing the final consumption form of the film and building an infinitely wide range of electricity