The fifteenth century saw big progress in printing technology in the west.
15世纪西方印刷术有了很大进步。
The invention of printing was a milestone in human progress.
印刷术的发明是人类进展的一个里程碑。
The invention of printing was a milestone in human progress.
印刷术的发明是人类进步的一个里程碑。
Research at the University of Southampton, then, could push progress in this direction, as the school's researchers explore the 3d printing of optical fibers.
研究南安普敦大学的话，可能会推动进展在这个方向上，作为学校的研究人员探索3d打印的光纤。
The invention of printing was a mile-stone in human progress.
印刷术的发明是人类进步的一个里程碑。
Progress in printing, photography, and especially color photography opened up more opportunities for creative expression.
印刷术，摄影术的进步特别是彩色摄影为创意性表达打开了更多的机会。
Progress in printing, photography, and especially color photography opened up more opportunities for creative expression.
印刷术，摄影术的进步特别是彩色摄影为创意性表达打开了更多的机会。
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