第二十一讲TheFreatIions
a'slonghistoryhasseensomeextremelyimportantiionsemerge,mostnoticeablygunpowder,papermaking,printingandthepass,which,inthewordserBa,gedthewholeappearandstatusofthingsintheworld.
awasthefirsttryintheworldtomakeproperpaper.PapermadeduringtheWesternHanDynasty(202BC-16AD)hasbeenfoundinGansuProvince,Xi'anandotherplacesinShaanxiProvinceaswellasXinjiang.AfurtherdevelopmentofpaperiscreditedtoCaiLunoftheEasternHan(25-220).Heusedplantfibersuchastreebark,bitsofrope,ragsandworn-outfishisasrawmaterials.In105,CaipresehefirstbatchofpapermadeunderhissupervisiontotheHanemperor,whowassodelightedthathehematerial"MarquisCai'spaper".EasternHanDynastypaperfoundinWuwei,Gansu,in1974carriedwordswhichwerestillclearlydecipherable.Thin,soft,andwitha*oothfinishandtighttexture,thispaperisthemostrefinedandoldest
「如章节缺失请退出#阅#读#模#式」
你看#到的#内#容#中#间#可#能#有#缺#失，退#出#阅#读#模#式，才可以#继#续#阅#读#全#文,或者请使用其它#浏#览#器
