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名词活版; 凸版印刷机，拷贝机

1. The computerized laser system for Chinese character typesetting has transformed China's printing from letterpress to electronic publishing.

2. The computerized laser photocomposition system for Chinese character typesetting has transformed China's printing from letterpress printing to electronic publishing.

3. The achievement laid the foundations for technological reform that transformed China's traditional letterpress printing technique into laser photocomposition.