Paper and Printing are the greatest contributions in all Chinese ancient cultural achievements made to mankind civilization.
纸和印刷是中国古代文化为人类文明做出的最伟大的两项贡献。
By theory and correlation analysis, this paper discusses the origin time of Chinese block-printing. From the research results of Mr.
本文从理论分析与相关分析相结合的角度，探讨中国雕版印刷起源的时间。
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