课领先世界的秦汉科学技术

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1、Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.秦汉文化在我国古代文化中的地位秦汉时期是奠定我国文明古国的重要基础时期，尤其是我国古代科学技术体系形成的时期。Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd

2、.第11课领先世界的秦汉科学技术Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.第11课领先世界的秦汉科学技术一、蔡伦改进造纸术Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.殷墟甲骨Evaluationo

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6、le5.2.0.0.Copyright2004-2011AsposePtyLtd.古埃及用纸草做成的卷轴书籍Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.古埃及《死者之书》（纸草）Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011A

7、sposePtyLtd.用羊皮纸书写的阿基米德论文手稿副本Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.第11课领先世界的秦汉科学技术一、蔡伦改进造纸术1、纸的发明西汉Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposeP

8、tyLtd.西汉早期麻纸（甘肃放马滩出土）放马滩麻纤维纸为目前发现的世界最早的纸。Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.蔡伦像Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientP