On-line typesetting system: Typesetting system in which the keyboard and output unit are attached at all times on-line to the main system.是什么意思_On-line typesetting system: Typesetting system in which the keyboard and output unit are attached at all times on-line to the main system.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句