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　　LeonardodaVinci(1452-1519),anItaliaRenaissanceartist,naturescientist,engineerandthefounderofmechanicstheory,madetheimpressivecontributionstotheformingofclassicalhydraulicsandfluidmechanics.DaVinci'sphilosophyideaisneartomaterialism.Hethoughtthateverythingintheworldmustobeytheobjectivenaturerules,knowledgecamefromsentienceanditwasimportanttodotheorygeneralization.Heemphasizedthatmathematicsandmechanicswerethebasisofnaturescience.Healsohadmanygreatfanciesanddiscoveriesonmilitaryaffairs,water-conservancy,civilengineeringandmechanicalengineeringDaVinci'smechanicsresearchworkwasnotonlytheoretic.Healsodesignedlotsofmachinesandapplianceswiththeprinciplesofmechanicsandmechanicalengineering.Hetookpartinthedesignandconstructionofcanals,waterconservancyandarchitecturalengineering.Basedonthestudyofbirdwingsmotion,heschemedoutanaircraftin1493forthefirsttime.DaVincihadquitealotofraremanuscriptsonhydraulics,whichwaspublishedasWaterMotionandSurveyafterhedied.上面那篇比较复杂，下面这个还凑合

　　（LEONARDODAVINCI）(1452-1519)Heisuniversallyrecognizedartsmasterandgreatscientist.15April1452AccordingtosunriseinItalyandCentralFlorencenearFenqiCity(Vinci),andspenthischildhoodthere.1469,hecametoFlorenceandapprenticeshipinVerrocchio'sstudio.1472,enteredinthepainterAssociation.Inthearts,heisaspecialemphasisonpaintingandsculptureexpertsbut,hesaid:"Drawingisnaturaldaughter."Ghanaisthemostfamiliarheistheworldofhighartpaintings,themostfamousworksare:"MonaLisa,"the"lastsupper","Rock-VirginMarywiththeVirginMary,""SantaAnason."Inscience,heobservedcelestialbodies,haswritten:"Thesunisnotchanged."AlmostsimultaneouslywithCopernicusdiscovered"SolarCenter";Hestudiedthescientificprinciplesofflight,designingandmanufacturingthefirstvehicle;Hehadmorethan30autopsybodiesintobodystructuresandthefirstdiscoveredthebabyinitsmother'sgrowthprocess.Heoncesaid:"Youmaybethenaturalresultofthesmellkeptaloof......Youmayalsolackpatienceandhardenough,Ihadnotbeeninsuchpooravariceorimpededonlyhindermytimeenough."

　　亲，对我的回答满意的话，就给个好评吧。如果还有不清楚的地方，可以跟我继续交流哦。

　　上面那篇比较复杂，下面这个还凑合

　　（LEONARDODAVINCI）(1452-1519)Heisuniversallyrecognizedartsmasterandgreatscientist.15April1452AccordingtosunriseinItalyandCentralFlorencenearFenqiCity(Vinci),andspenthischildhoodthere.1469,hecametoFlorenceandapprenticeshipinVerrocchio'sstudio.1472,enteredinthepainterAssociation.Inthearts,heisaspecialemphasisonpaintingandsculptureexpertsbut,hesaid:"Drawingisnaturaldaughter."Ghanaisthemostfamiliarheistheworldofhighartpaintings,themostfamousworksare:"MonaLisa,"the"lastsupper","Rock-VirginMarywiththeVirginMary,""SantaAnason."Inscience,heobservedcelestialbodies,haswritten:"Thesunisnotchanged."AlmostsimultaneouslywithCopernicusdiscovered"SolarCenter";Hestudiedthescientificprinciplesofflight,designingandmanufacturingthefirstvehicle;Hehadmorethan30autopsybodiesintobodystructuresandthefirstdiscoveredthebabyinitsmother'sgrowthprocess.Heoncesaid:"Youmaybethenaturalresultofthesmellkeptaloof......Youmayalsolackpatienceandhardenough,Ihadnotbeeninsuchpooravariceorimpededonlyhindermytimeenough."

　　亲，对我的回答满意的话，就给个好评吧。如果还有不清楚的地方，可以跟我继续交流哦。

　　sexy，不用做了，哈哈哈