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Xinhua
8 年
蔡伦前两百五十年,中国就出现造纸术?
本报南京11月25日讯(通讯员 林雯 记者 缪志聪)第十四届国际中国科学史会议暨首届中国古代四大发明国际学术研讨会今天在南京信息工程大学召开。会上,南京信息工程大学科学技术史研究院教授李晓岑表示,在东汉蔡伦造纸之前我国就出现了“浇纸法”,早 ...
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