关于中国四大发明的英语作文,80词左右,-查字典问答网
分类选择

来自简峰的问题

  关于中国四大发明的英语作文,80词左右,

  关于中国四大发明的英语作文,80词左右,

1回答
2020-01-19 00:54
我要回答
请先登录
李赟

  Thefourgreatinventions

  Paper:paperisanimportantchemicalprocesses,theinventionofpaperisChineseinthespreadofhumancultureanddevelopmentmakeavaluablecontribution,isChina'schemicalhistoryofamajorachievement.

  Thepaperalsobefore,oraclebones,bambooslipsandsilksilkisusedforwriting,theancientrecordedmaterial.Butduetotherapiddevelopmentoftheeconomy,culture,bonesandbamboocannotmeetthedemandofdevelopment,thuscontributingtotheimprovementofwritingtools.Atthattimepeoplebeganusingsmallsilkmadeofpaper,astheancientChinesewhenpaperbyhempthreadandsilk,andpreparationmethodofroughpaper,sothequalityisnotsogood.Butthehempthreadandsilkhasitsownrole,tousethemasarawmaterialforpaper-making,wouldbegreatlyrestricted,anddifficulttogetrapiddevelopment,tomeettheculturallifeoftherequirementtopaper.

  Inthenewsituationrequest,CaiLunofEasternHanDynastyfortheemergenceofpapermakingtobringnewbreakthroughintheEasternHanDynasty,"viewson"2records:"CaiLun,talented,dedicatedtocautious,everyvacation,closedtotheguest,aerationbodyfield.Codeforthesale,madewithbarkandspaciouscloth,nettomakepaper.XingYuanfirstyearplaying,theemperorcan,sinceisnotused,thesaltycalledCaiHoupaper".Fromabove,CaiLunisusingbark,rags,netofpapermaking.AlthoughbeforeCaiLunalsohasapaper,butrawmaterialitselfisverylimited,andCaiLunonthenewrawmaterials,tosolvethisproblem.Becausetherag,brokenfishnethadalreadyfinishedtheirtask,awasteandusedasarawmaterialforpapermakingindustry,whichplaysanimportantrole.

  Printing:istheworkingpeopleinancientChinathroughlong-termpracticeandresearchbeforetheinventionof.Abouttheyearbeforeandafter600yearsofSuiDynasty,peoplefromtheengravedsealinspired,inthehistoryofmankind'searliestinventionofwoodblockprinting.

  Woodblockprintingisinacertainthicknessofthesmoothwood,pastecopyneatmanuscript,thinandalmosttransparentpaperfrontandwoodpaste,thewordbecamethebody,strokesclear.Engravingworkersgraverinthesuiteshavewritingsectioniscutaway,isaconvexembossedfont,andfontrecessedbeneaththedifferentsteles.Whenprinting,onaraisedfontswithink,andthenthepapercoveringontopofit,gentlywipeawaythepaperback,writingremainonthepaper.BytheSongDynasty,woodblockprintingcareerdevelopmenttotheheyday.Woodblockprintingonthespreadofcultureplayanimportantrole,butalsohasobviousdisadvantages.Thefirstversion,time-consumingmaterialcosts,second,alargenumberofbooksstoredinconveniently,third,isnoteasytocorrectmistakes.

  TheNorthernSongDynastycivilianinventorBiShenginventedmovable-typeprinting,woodblockprintingthesedrawbacksimprovement.BiSheng'sDynastyofanordinarycivilianintellectuals,thepersonwho.Hesummeduptheblockprintingofrichexperienceinpractice,afterrepeatedtests,theemperorRenzongofevolutionyears(AD10411048)madethemoveable,executetypesettingprinting,completedtheprintinghistoryofamajorrevolution,about200yearslater,thistechnologyspreadtoothercountries,thedevelopmentofworldcivilizationprocesstopromotetheroleof.

  Gunpowder:isoneofthefourgreatinventionsofchina.Gunpowder,asthenamesugges

2020-01-19 00:56:16

最新问答

推荐文章

猜你喜欢

附近的人在看

推荐阅读

拓展阅读

  • 大家都在看
  • 小编推荐
  • 猜你喜欢
  •