2、ioninaprintedbook.ItwasprintedinTangDynasty.Movabletypeprinting(活字印刷)In Song Dynasty, word workerBi Sheng , Use the clay with viscidity, make into therectangle cube, carve thesingle Chinese characterson it, burn it with the fire,form the font. The printingskill is
3、named thetypography.唐毕昇writeburncarveprinttypesetting书写雕刻烧制排版印制Advantages：Itcanbeusedrepeatedlyandsavematerials.Itiseasytobemodified.Improvetheefficiency.Disadvantages:It’shardtotypesetting.Theworkersarerequiredtoread.By the year1000, paged books in the modern styl
4、e had replaced scrolls. Two color printing (black andred) was seen as early as 1340. This technology then spread to Korea, Japan, Vietnam and Europe. Later, German Johann Gutenberg invented movable type made of metal in the 1440s. Movable Type Printing developed ve
5、ry fast. Based on clay type, type made of wood, lead, tin and copper gradually appeared.Development后期发展Themodernprinting现代印刷Itmakesbookscanbepublishedinlargenumber.Soit is helpful to promote thedevelopmentof culture.Itpromotesthe spread of educationandthedisseminat
6、ionofknowledge.Itmeansalottothespreadofreligionandthedevelopmentofcurrency.Significance深远意义Inaword,China ancient four inventions, has left behind a magnificent chapterin the history of human science and culture.These great inventions once influenced and benefited t
7、he whole world, had promoted the advancing of humanhistory.Summary小结THANKYOU
