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本文综合介绍了各类大屏幕显示系统及器件的发展状况，着重叙述了采用ＣＲＴ彩色投影显示装置组成的大屏幕显示系统在法庭上应用的具体配置、技术数据和主要特点。
This article describes the development of various types of large-screen display systems and devices, and focuses on the specific configuration, technical data and main features of large-screen display systems using CRT color projection display devices in court.