Several documents written on bamboo slips and silk books had been discovered in China since last century.

上世纪初以来，我国出土了大量的简帛文献，为汉语史研究提供了很多有价值的材料。

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The books cover different aspects of Chinese history, such as art, silk and pottery.

这套丛书涵盖了中国历史的方方面面，如艺术、丝绸和陶艺。

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Bamboo slips strung together, books copied on silk, hand-written copies, hand-copied books, block-printed editions and movable-type printing books existed for a long time.

简策同帛书、写本抄本刻版同活字印刷图书，相互共存是一个很长的时间。

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