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		  		第三章  (第3/4页)
cationaltext,suchasintheforteagpurposes.    Theselimitationshelpbaherightsofchtownerswiththepublic''''siinaccessingandusiiveworks.    Chtwimposescertainlimitationsontherightsofauthardingtheirintellectualproperty.Theselimitationsinclude:    1.**Duration:**Chtproteislimitedinduration,typicallystingforasetnumberofyearsafterthedeathoftheauthor.    2.**FairUse:**Allowsforthelimiteduseofchtedmaterialwithoutpermissionforpurposessuchascriticism,ent,newsrep,teag,schorship,orresearch.    3.**Publiain:**Workswhosechthasexpiredorbeenforfeitedmaybefreelyusedbythepublic.    4.**pulsoryLising:**Insomecases,goversmayrequirechthrantlisestoothersfortheuseoftheirwork,ofteninexgeforpaymentofroyalties.    5.**StatutoryExceptions:**Certainusesofchtedmaterialmaybeexemptedfrominfriliabilityunderspecificstatutoryexceptions,suchaslibraryarchivingoreducationaluse.    6.**FirstSaleDoe:**Onceachtedworkiswfullysoldordistributed,thechtowner''''stroloverfurtherdistributionislimited,allowingpurchaserstoresell,lend,iveawaytheircopieswithoutinfringingcht.    Theselimitationsbaheisofcreatorswiththepublic''''srighttoaccessandusechtedworksforvariouspurposes.    Chtentailslimitationsonpropertyrights,includingbutnotlimitedto:    1.**Duration:**Worksareprotectedforalimitedperiod,afterwhichtheyehepubliain.    2.**FairUse:**Certainuses,suchascriticism,entary,newsrep,teag,andresearch,maybesideredfairuseandnotrequirepermissionfromthechtowner.    3.**Publiain:**Worksthatarenolongerunderchtproteareinthepubliainandbefreelyusedbyanyone.    4.**pulsoryLises:**Insomecases,thewmayrequirechtrantlisesforspecificuses,suchasmusicperformancesorbroadcasts.    5.**FirstSaleDoe:**Onceacopyofaworkiswfullysoldortransferred,thechtowner''''stroloverthatparticurcopyislimited,allowingresaleorlendingwithoutpermission.    6.**EducationalUse:**Certaineducationalusesofchtedmaterialsmaybepermittedunderspecifiditions,suchasinstru.    7.**TransformativeWorks:**Creationofnewworksthattransformorrepurposeexistingchtedmaterialmaybeallowedundercertaincircumstances,suchasparodyorsatire.    Theselimitationsaimtobaheisofchtownerswiththepubliterestinaccessingandusiiveworks.    Chtwimposescertainlimitationsontherightsofauthorsorcreators.Theselimitationsinclude:    1.**Duration:**Chtproteislimitedinduration.Afteracertainperiod,usuallytheauthor''''slifetimeplusasetnumberofyears,theworkehepubliainandbefreelyusedbyanyone.    2.**FairUse:**Fairuseallowslimiteduseofchtedmaterialwithoutpermissionfromthechtholderforpurposessuchascriticism,entary,newsrep,teag,schorship,orresearch.    3.**Publiain:**Worksinthepubliaiprotectedbychtwandbefreelyusedbyanyoneforanypurposewithoutpermission.    4.**pulsoryLises:**Insomecases,goversmaygrantpulsorylises,allowingotherstousechtedworksundercertainditions,ofteninexgeforpaymentofroyalties.    5.**SpecificExceptions:**Chtwsmayincludespecificexceptionsforcertainusesofchtedmaterial,suchasforeducationa
		
				
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