简介:Hey!Theflowerpot(花盆)isapuzzle.YoucanseesomeEnglishcapitallettersonthepetals(花瓣)andontheflowerpot.Er!Ifyoucount,therearetenEnglishcapitalletters.Somearethesame.TheyareA,I,U,Rs,Es,TsandL.Afterenjoyingthepic-ture,finishatask.Pleaseformwordsasmanyasyoucan.Therulesare:Letterscanonlybeusedonceforeachtime.Plurals,propernames(专有名词)donotcount.OK!Startyourworkatonce,please.Havefun!
简介:Inanalyzingthequestionofdemocracy,weneedtoconcentrateonitsessence.Itwon’tdoforusjusttolookattheformitassumes.Thepeoplewantdemocracybecausetheyneedtohavecertaindemandsmetandcertaininterestsrealized.Theywillstrivefordemocracywhentheyaredeniedoftherighttopursuetheirdemandsandinterests.Itisclearthatdemocracyhasalwaysbeenassociatedwiththepeople’sdemandsandinterests.Theessenceofdemocracy
简介:Forhundredsofyearspeoplehavesailed,flown,andwalkedintotheareanowknownastheUnitedStates.Exceptfortheapproximately2millionNativeAmericans.everyonewholiyesintheUnitedStatesisdescendedfromaculturethatwastransplantedfromsomewhereelseintheworld.Theseculturescometogethertoformwhatmanypeoplenowrefertoasa″saladbowl.″Eachcultureaddingitstastetothemixbutkeepingitsownidentity.Themeltingpot″ideaofoldhasbeenreplaced.ThiscanbeseenbythenumberofChinatowns.Koreatowns,Poletowns,etc.
简介:在这份报纸,我们在Rn上为Hormander鈥檚拉普拉斯算符考虑主要特征值问题,并且我们为如此的主要特征值发现一个比较原则。我们也在整个Rn学习一个相关半线性的亚elliptic方程并且证明在一个合适的条件下面,我们无穷地有这个问题的许多积极答案。关键词主要特征值-Hormander鈥檚拉普拉斯算符-积极答案先生(2000)题目分类35J65-35H20这个工作被中国的钥匙973工程部分地支持
简介:Thispaperreviewsnumericalandexperimentalinvestigationsofsheet/cloudcavitationcarriedoutattheSt.AnthonyFallsLaboratoryandattwocollaboratingfacilities(VersuchsanstaltFürWasserbau,Obernach,GermanyandOsakaUniversity,Japan)formorethanadecade.Althoughsignificantadvanceshavebeenmadeintheanalysisofthisflowseveralissuesarestillunresolved.Thepurposeofthispaperistoexaminetheoverallfeaturesoftheproblem,reviewtheprogressmadetodateandsuggestavenuesfornewinvestigation.
简介:ThefollowingfourconjecturesaboutstructuralofSATarestudiedinthispaper.(1)SAT∈P^SPARSE∩NP;(2)SAT∈SRTDtt;(3)SAT∈Ptt^bAPP;(4)FPtt^SAT=FTlog^SAT.ItisprovedthatsomepairsoftheseconjecturesimplyP=NP,forexample,ifSAT∈P^SPARSE∩NPandSAT∈Ptt^bAPP,orifSAT∈SRTDttandSAT∩PttbAPP,thenP=NP.Thisimprovespreviousresultsinliterature.
简介:Inthispaper,wegivesomeresultonthesimultaneousproximinalsubsetandsimultaneousChebyshevintheuniformlyconvexBanachspaceAlsowegiverelationbetweenfixedpointtheoryandsimultaneousproximity.