Wang Xuan, a Chinese expert on computer character information processing, began to preside over the research and development of the computer-laser phototypesetting system of Chinese characters and electronic publishing system in 1975 and developed the fourth-generation computerized laser phototypesetting system. The photo shows Wang Xuan and his wife Chen Kunqiu examining the typesetting film produced by a laser phototypesetting system of Chinese characters in 1994.


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