在单个拼版文件发生错误时，页面替换的功能，将使操作者快速地修改版面。

When there is any error in any single joined file, the function of page substitution will enable the operator to quickly modify the pages.

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电子排版系统：一套完整的系统设备包括分色机、文字输入机、具有拼版及在版面上加蒙片和平网等功能的中央处理机和激光图文影排机。

Electronic page composition system: a complete system comprises the colour scanner, text input, a CPU that provides masking, page assembly, tint applying functions and a laser image setter.

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