1994年大屏幕投影市场在中国经历了十余年的缓慢发展,终于进入了它的高速成长时期,日益显示出其巨大的市场潜力和勃勃生机.今天,作为存储和信息处理工具的计算机在中国已被广泛应用于工业、商业等社会生活的各个方面.随着网络工程、多媒体技术的应用,在教育、培训、模拟、控制以至娱乐等诸多领域里,人们越来越感到大屏幕显示的必要性和重要性. In 1994, the large-screen projection market experienced more than 10 years of slow development in China. It has finally entered its period of rapid growth and increasingly shows its huge market potential and vitality. Today, computers as storage and information processing tools in China It has been widely used in various aspects of social life such as industry and commerce. With the application of network engineering and multimedia technology, people are increasingly aware of the need for large-screen display in many fields such as education, training, simulation, control, and entertainment. Sex and importance.