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1、LeonardodaVincisuperhumaningenuitymysteriousAchievementArtPhysicsEngineeringandinventionsScientificstudiesJournalsandnotesThesestudieswererecordedin13,000pagesofnotesanddrawings.Therearecompositionsforpaintings,studiesofdetailsanddrapery,studiesoffacesandemotions,ofa
2、nimals,babies,dissections（解剖）,plantstudies,rockformations（岩石形成）,whirlpools（浴缸）,warmachines,helicoptersandarchitecture.Leonardo‘swritingsaremostlyinmirror-imagecursive（草稿）.Thereasonmayhavebeenmoreapracticalexpediencythanforreasonsofsecrecyasisoftensuggested.SinceLeona
3、rdowrotewithhislefthand,itisprobablethatitwaseasierforhimtowritefromrighttoleft.Hefoundoutliquidpressure,andproposeprincipleofConnectedDevice(连通器).InoneConnectedDevice，thesameliquidhavethesameliquidlevel,differentliquidhavedifferentliquidlevel,theliquidheightanddensi
4、tyisinverselyproportional（成反比）.PhysicsFormuchofhislife,Leonardowasfascinatedbythephenomenonofflight,producingmanystudiesoftheflightofbirds,includingplansforseveralflyingmachines,includingalighthanggliderandamachineresemblingahelicopter.EngineeringCivilEngineeringToop
5、enthepasswordbarrel,mustsolvefivedigits.Passwordbarrelhasfiverotary（旋转的）wheel,eachwheelonthe26letters,mayactasapasswordpermutationandcombination（排列组合）asmuchas11881376species.Passwordbarrelsareusuallyputavitreous（玻璃的）bottlewhichfullofacetum(醋溶液).Ifyouforceitopen,thebo
6、ttlewillbreakandthepaperwiththesecretwilldisappearforever.Passwordbarrel(密码筒)AnatomyAsanartist,hequicklybecamemasteroftopographic(局部的）anatomy,drawingmanystudiesofmuscles,tendons（肌腱）andothervisibleanatomicalfeatures.Leonardoalsostudiedanddrewtheanatomyofmanyanimals,di
7、ssectingcows,birds,monkeys,bears,andfrogs（青蛙）,andcomparinginhisdrawingstheiranatomicalstructurewiththatofhumans.Healsomadeanumberofstudiesofhorses.LeonardoDaVincidrewthefirstrobotinhisnotes.DaVinciusedanatomicalprinciple(解剖学原理),givingtherobotshellwithwood,leatherandm
8、etal。Heusedgear（齿轮）asactuatingdevice（驱动装置）toletrobotmove.Therobotevencanmakeasound.RobotEarly,DaVinciisdissatisfiedwiththewagon.Inh
