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һëţţȺ

ߣadmin ʱ䣺2019-09-07 11:06

ͽҲûʧսõҲһùһִҵϰճҶֻ벻벻ʽShanghairemainedthemostexpensivecityontheChinesemainlandforexpatriates,accordingtothelatestWorldwideCostofLivingSurveyreleasedonTuesday.Shanghai,China"sbusinesscenter,isnowranked16thoverall,downfrom11thlastyearandonparwiththecostoflivingintheNewZealandcitiesofAucklandandWellington.Thesurvey,conductedbytheEconomist"sIntelligentUnit,foundShenzhenandDalianwerethenextmostexpensiveChinesecitiestolive.BeijingandSuzhou,whichsawthebiggestdropamongtheeightChinesecitiesexamined,bothfell16placesto47thand69threspectively.Suzhou,GuangzhouandTianjin,tiedfor69thplace,makingthemthecheapestcitiesontheChinesemainland,accordingtothereport.Overall,Singaporeretainsitstitleastheworld"smostexpensivecityforafourthconsecutiveyear,followedbyHongKongandZurich.Thesurvey,whichcomparesthepriceofover150itemsin133citiesaroundtheworld,foundthatSingaporewas20percentmoreexpensivethanNewYorkand5percentpricierthanChina"sHongKong.JonCopestake,editorofthesurvey,saidthatSingaporereflectedaregionaltrend,withAsianhubsbecomingmanyoftheworld"smostexpensivecities.InadditiontoHongKong,Singaporewasjoinedinthetop10bytheJapanesecitiesofTokyoandOsakain4thand5thplacerespectively,andtheSouthKoreancapitalSeoulin6thplace.

ǴзչĻٰĻ̳ӴĻѵҹĻбƶĻĸﴴٷչĶһСڲ򹤵Сڱƹоִҵһս˲ҵǡʮ塱ս˲ҵdzҪһˡʮ塱ս²ҵ滮˼·

3Ѯݸչжץ˻ijijȨ6ɻǷ˲һʽۺ700ͳ永ߴ60ԪڷĻʱ-¼ʼִ߿ƼķչԶ̴ķչпķչͳϵĵϵսԻûжԴٽʾǽʹСȻСȥϰܶණȷʵôʵҲΪʲôͣսзǾ˫˲Ҫһһ׳ȼʽδꡡȹ쳣ŵһ֮ܶʽƽͷȻмг

Ϣ֪˱Ʊƽ̨ѲƱСϻһЩĵлл2017-03-2010:45:33лºʵѧΪ׼ƶͻĹЩѾߵǰ

һʱķչЭ120˷չѾ759Ҹ˻ԱԱAmandrivingasportsutilityvehicleisbelievedtohaverunoverpedestriansonWestminsterBridgearound2.40pmlocaltime.Thedriverthenapparentlycrashedintorailings,gotoutofthecarandattackedapolicemanwithaknifenearthePalaceYardentrancetotheHouseofCommons,beforebeingshot.TheUKPressAssociationnewsagencyquotedadoctorfromStThomas"Hospitalsayingthatonewomanhaddiedandothershadcatastrophicinjuries.TheresaMay,theBritishPrimeMinister,wasescortedfromtheHouseofCommonsbyarmedpoliceminutesaftertheincident.PolicealsoshutthegatesofnearbyBuckinghamPalacewhereQueenElizabethwasinresidence.DavidLidington,LeaderoftheHouseCommons,toldmembersofParliamentatthetimethatpolicehadshotanallegedassailantclosetotheirchamber.HetoldMPs:"WhatIamabletosaytotheHouseisthattherehasbeenaseriousincidentwithintheestate.Itseemsthatapoliceofficerhasbeenstabbed;thattheallegedassailantwasshotbyarmedpolice.Anairambulanceisattendingthescenetoremovethecasualties.Therearealsoreportsoffurtherviolentincidentsinthevicinity."ThesittingoftheHouseofCommonswassuspendedandMPsweretoldtostayinthechamber.Allothergovernmentbuildingswereplacedunder"lockdown".PoliceevacuatedtheHouseandothernearbybuildings.TheScottishParliamentinEdinburghalsosuspendeditsdebate,whichwasabouttheissueofasecondreferendumbeingheldonScottishindependence.ѡʧߡռ30.65ѡ񡰹͡Ϸķֱռ1415

ͳǨԭ̨ܶõ龫صԿ;Ҫ͸ɴս½Բ԰ֽŲҪøýΪձбͳ̨ĸ̲羭øյȫ̧ͷԵ;ֲͻӾйϵ⵽21ձʼЦأ찾ҹӦҪһ

ҪʵĿҪͺһŬһŬߵŬ޼ոԺ˵м˵ı˹˹شϷǹ֧¼ﱣؽʵ˰Żҵ֯˲ﱣĿ

о֤ʵ⹥δ繥йҳûʵܺAnexhibitionthemedonwomen"slivesduringtheHan(206BC-220AD)andTang(618-907)dynastiesisongoingattheTianjinMuseum,whichisshowingnearly100piecesofexquisiteculturalrelics.Ancientpotteryfigurinesrelatingtofemales,aswellasgold,silverandjadeitemsandbronzemirrorsareonexhibit.Theexhibitionfeaturesthefirstfemale-themedshowintheTianjinMuseumanditispresentedincollaborationwiththeXi"anMuseum.Itrevealsthefashionablelifeofwomenintheancientcapital,Chang"an,throughclothing,makeup,scenesoffeasting,musicanddance.TheexhibitionwillrunthroughMay4.ܵ찾ҹȥҲⳤܵʱҲܵԼʱ

󾭼÷չ2016껷ֵ24323ԪռȫֵıΪ34.5%0.8ٷֵ޵ֵ19912ԪռȫֵıΪ28.2%0.2ٷֵ齭޵ֵ15895Ԫռȫֵı22.5%0.3ٷֵ,thetravelplanningandbookingwebsite,hasnamedBaliastheglobalwinnerofits2017TravelersChoiceAwardsfordestinations.Wereexcitedtorevealourcommunitysfavoritetraveldestinationsfor2017andrecognizetheseiconicplaceswithTravelersChoiceawards,saidBarbaraMessing,chiefmarketingofficerforTripAdvisorina.Awardwinnersweredeterminedusinganalgorithmthattookintoaccountthequantityandqualityofreviewsandratingsforhotels,restaurantsandattractionsacrossdestinationsworldwide,gatheredovera12-monthperiod.Theawardshonor418outstandingdestinationsin24listsacrosstheglobe.(Readalso:)NewYorkCity,meanwhile,ranksnumberoneintheUSfortheseventhconsecutiveyear.HereisthecompleteoftravelersdestinationchoiceaccordingtoTripAdvisor:ĿγȻҪȥϿ

ˡвèĿĿΪЭԱҵṩҲõ˴ҵĹ㷺ϿȻҲһҶԼϽıҾͬҲǴѧҶԼȰҵֳʵһרҵʿһй߸ôԶûҪйг»ԶԶ

ChinamustperfectitssystemsofoperatingState-ownedbusinessesabroadtobetterevaluatetheirperformanceandholdmisbehavingstaffersaccountable,PremierLiKeqiangsaidonTuesday.Thegoalisto"ensurethesafeoperationofState-ownedassetsandthattheirvalueismaintainedorincreased",LisaidinBeijingattheStateCouncil"sannualmeetingonmaintainingcleangovernment.TheStateCouncil,China"sCabinet,holdsthemeetingeachyeartoreviewthegovernment"sworkinfightingcorruptionandothermisconductoverthepreviousyearandtooutlineprioritytasksthatwillboostself-discipline.Atthemeeting,LinotedthatasState-ownedenterprisesandcapitalgoglobal,"supervisionandmanagementmustcatchupinatimelymanner".China"scentrallyadministeredSOEsinclude9,112businessentitiesoperatinginabout185countriesandregions.TheSOEshavetotaloverseasassetsofmorethan5trillionyuan($725.6billion)and346,000employeesoperatingoverseas,XiaoYaqing,headoftheStateCouncil"sState-OwnedAssetsSupervisionandAdministrationCommission,saidearlierthismonth.WhiledeliveringtheGovernmentWorkReportattheannualplenarysessionofNationalPeople"sCongressonMarch5,Liunderlinedtheneed"topreventthelossofStateassets"andtoenableSOEstobecomeleanerandhealthierandincreasetheircorecompetitiveness.AtTuesday"smeeting,thepremierwarnedthat"theState-ownedassetsarethecommonwealthofallofChina"speople"andmustneverbecometheeasilygained,ill-gottenpossessionsofanysingleperson.LiWei,aresearcherattheNationalAcademyofDevelopmentandStrategyatRenminUniversityofChina,saidthatsomeState-ownedcompanieshaveunderestimatedtherisksofoverseasinvestment,leadingtofinancialloss.SomecasesinvolvinginvestmentoverseashaveunderscoredtheimportanceofsteppingupsupervisionoftheoperationsofChina"sState-ownedenterprises,hesaid.AlsoonTuesday,PremierLisaidthegovernmentwillspeeduptheprocessthisyearofstipulatinginlistsallofthepowersandresponsibilitiesoftheStateCouncil"sdepartments.Thesemanagementlistswillprovideageneralinventorytoregulatethegovernment"spowersandresponsibilities,Lisaid.Thegovernment"seffortsinreducingpowerswillbemaximized,Lisaid.AsChinahassetthegoalofeliminatingpovertywithinthecountryby2020,boostingtheefficiencyandthesupervisionofpovertyalleviationeffortswasraisedatTuesday"smeeting.Lisaidthefocusshouldbeondirectingthealleviationeffortsandresourcestowheretheywilldothemostgoodratherthantothosenotinactualneed.Particularly,whenofferingsubsistenceallowances,thereshouldbenocasesofprovidingfavors,courtingconnections,orinfluence-peddling,Lisaid.[]:Խ괺ɭֲԭ¸ͽ׶Ը߻ϾʡɭֲԭָӲȡʮǿɭַ

YetonSunday,somevisitorstotheparkphotographedmembersofafamilygettingofftheircar,notoncebuttwiceinsidethepark.Witnessessaythefamilyincludedatleastonecouple,aseniorcitizenandtwochildren.Attheinterventionoftheguards,theygotbackintothecarbutonlytogetoffagainandbeingforcedtogetintotheircarasecondtime.AlthoughtheparkannouncedonMondaythatitcanprotectvisitorsfromanyattackbecausetheanimalsaresegregated,thefamily"smovewasstilldangerousasthesecuritysystemisnot100percentfoolproof.What"sworse,theyinviteddangersasvisitorswerebannedfromgettingoffcarsonroadsforfearoftrafficaccidents.Theincidentsparkedfiercediscussionsonline,andmanynetizenscomparedittotwopreviousincidents.OnJuly23lastyear,awomansurnamedZhaowhogotoffhercarintheBadalingWildlifeParkwasdraggedawaybyatiger.Shewasmauledandseriouslyinjuredbythetiger,andhermotherdiedtryingtosaveher.OnJan19thisyear,amanclimbedoverawalltoenterthetigers"enclaveinYoungorZooinNingbo,EastChina"sZhejiangprovince.Themanwaskilledbythetigers,andoneofthetigerswasshotdeadduringtheoperationtorescuehim.Intheprevioustwotragedies,manypeoplesurprisinglydidn"tshowsympathyfortherule-breakers.Andthosenetizensthatcriticizedtherule-breakerssayingtherule-breakersdeservetobepunishedsparkedheateddebates.It"stime,however,thatChinesepeoplekeptinmindtheimportanceofobeyingrules.Whatmanypeopleforgetisthefactthatrule-breakersareanunnecessaryburdenonsociety.Topreventpeoplefromrepeatingthefatalmistakesofthevisitorsofsomevisitors,thewildlifeparkhastopostinnumerableguardsalongtheroads,whichinturnincreasesthepriceoftickets.Inotherwords,ordinaryvisitorshavetopayforthewrongdoingsofafewrule-breakers.Infact,manyadministrativemovesarenecessitatedtopreventafewfrombreakingrules.Mostpeoplepayforthemetroridestheytake.Still,everyonehastogothroughticket-checkingmachinesbecauseafewdonotpaythefare.Thismeansallpassengershavetopayfortheticket-checkingmachinesjustbecausesomecommutersbreaktherules.AftertheTempleofHeavenParkinBeijingstartedprovidingfreetissuepapersinitspublictoiletsaweekago,somemediareportssaidsomevisitorswereseentakinglargenumbersoftissuepapers.Todealwiththeproblem,theparkinstalledamachineinallthetoiletsinsidetheparkovertheweekend,andeveryonehastopassavideotesttogetacertainnumberoftissuepapers.Eveninthiscase,rule-breakers,whoarefewinnumber,haveincreasedthefinancialandsocialcostforall.Onlywhentherelatedauthoritiesdeviseamechanismtocompeltherule-breakerstopayfortheincreaseinmaintenanceandsecuritycostscantheyhelppeoplebetterunderstandtheimportanceofobeyingrules.TheauthorisawriterwithChinaDaily.zhangzhouxiang@chinadaily.com.cnΪһʱϳͬʱȱ㹻ᾭթƭҪҪܺȺϢ˹ƤִһϷѧϵС˵ıӰһš(ReadyPlayerOne)

þл50ԪȱȺ˵бɹǰǿ֮ͨЭͬ߱Ұܳеǿ⽻ܵǿ⻹ΪǵչǾӦóõĶʵΪҪѡõĶ˵˵ͼĶǺҪ

Щʱͼ˹˳ɹŷ»ϯڽ2019Japan"srulingandoppositionpartieshavedecidedtosummonYasunoriKagoike,headoftheOsaka-basededucationinstitutionMoritomoGakuen,toDiet,orJapan"sparliamenttoanswerquestionsonMarch23.KagoiketoldadelegationofDietmembersinOsakaonThursdaythathereceivedadonationfromPrimeMinisterShinzoAbetohelpbuildanelementaryschoolthatwasduetoopeninApril.Thelawmakersvisitedthesiteoftheschool,whichKagoikehasgivenupasithasbecomeembroiledinalandscandal.MoritomoGakuenwasfoundtohavepurchasedtheplotfromthetransportministryatadisproportionatelylargediscountpayinglessthanone-sixthoftheland"svalue.Oppositionlawmakersallegethatthegovernment,orevenelementsclosetoAbe,mayhavepressuredofficialstoawardMoritomoGakuenthefavorabledeal.Abe"swife,Akie,washonoraryprincipaloftheplannedelementaryschool,andshealsogaveaspeechatacontroversialprivatekindergartenrunbyMoritomoGakuen.ThekindergarteniscontroversialasitindoctrinatesitsyoungchargeswithslursagainstKoreansandChinese,andgetsthemtobowbeforeimagesofJapan"semperor,stamptheirfeettomilitarysongsandrecitethe1890"sImperialRescriptonEducationthatrequiredfilialpiety,brotherhoodandself-sacrifice.AbehastriedtodistancehimselffromKagoike.ButbothheandKagoikearemembersofNipponKaigi,orJapanConference,aradicalnationalistlobbygroup.Abeservesasits"specialadviser",andKagoikeheadsitsOsakabranch.NipponKaigi,isasmallgroup,withabout38,000fee-payingmembers.ButitisreshapingJapan"spoliticsasitsnetworkreachesquietly,deeplyintotheJapanesegovernment.Itsmembersincludenumerousstateandlocallawmakers,renownedacademicsandauthors,mediamoguls,leadingShintopriests,titansofindustry,high-rankingdiplomatsandmilitaryofficers.ThegroupisresentfulofJapan"sdefeatintheWorldWarII,advocatesforabandoninga"masochisticviewofJapanesehistory",deniestheatrocitiescommittedbyJapanduringthewarandchampionsanewConstitution.Ithaslaunchedacampaigntocollect10millionsignaturestoreviseJapan"sso-calledPeaceConstitution.NipponKaigistayedshadowyuntilabookonit,writtenbyfreelancejournalistTamotsuSugano,waspublishedin2016.Inthebook,whichbecameabestseller,SuganocallsNipponKaigithecountry"slargestnationalistlobbyandclaimsthatithasinfluenceontheAbeadministration.Inhisinvestigationofthegroup,healsofoundthateducationhasbeenapriorityfortheNipponKaigioverthepasttwodecades.MoritomoGakuen,forinstance,hasanambitiousplantoestablishnationalisteducationfacilitiesfrompreschooltohigherlearning.NipponKaigithrewapartycelebratingAbe"scabinetappointmentsin2013,as15outof18weremembersofthegroup.TheoldJapaneseimperial"RisingSun"flagwasflown,pledgesto"breakawayfromthepostwarregime"wereaffirmed,andtheimperialnationalanthemsung."Go,goPrimeMinisterAbe!We"rehappyyoupassedsecuritylegislationattheDiet!"thekidsagedbetween3and5atMoritomoGakuen"skindergartencalledout,referringtothecontroversiallawsrammedthroughtheDietin2015thathaveconsiderablyexpandedthelegalscopeofoverseasoperationsofJapan"sSelf-DefenseForces.TherulingLiberalDemocraticPartyhasapprovedarulechangetoallowpartyleaderstoserveuptothreeconsecutivethree-yearterms.ThemoveallowsAbetopotentiallystretchhistenurethrough2021.Ifhegetstheextratime,heislikelytodothatwhichNipponKaigiwillwanttodothemostrewriteJapan"sConstitution.TheauthorisChinaDailyTokyobureauchief.caihong@chinadaily.com.cn۳Ӳӡ֤ҵı仯

ȥִѧУȥμ˻˸˵ĹϵһܴõŮӱй7:5ѹ2ʤе92017032207:302017Ůӱڱ׶ݽ뵽ĸ

֯300ҵԿչƸʽṩ2600ŮԾҵλ֧ŮѧҵҵṩԽϢǼȻǶô߶˵豸ǻƷĿñҪʲôط2017-03-1615:15:02Ҿεյʵҿһع͹ȥǿһЩϵĶ˵ֺԵȻ仯һЩ̼ŷЩͨ˾úЩͨ˾һľһЩԱȽǿĶرһһСµĸоΪÿһ˴һʼӴ϶Ǵdz¶ЩʼӴȸ߼ͨ2016Ӵ4G4GͶʷô

һֻڲݵϷһֻȥ׼һʱһֻʮͺմӰзֱͼ͵е׶԰԰ŷܱǭ17,ռ˵ض,ڸ԰ʵʩ׶ʽѧϰ,չ幤С֯ȡСγ̡,ѧƷֱںγ̽ĻAndthisproblemshouldbemuchaccountedof,Listressed,varioussocialproblemsmaybecausedbyit,ifpropertydeveloperscouldntgainreflowoffundsandevengobankrupt,itsalsodifficulttosolvelargeamountsofmigrantworkersaccruedsalary.Sincepropertytaxhasbeenofficiallyannoucedimpossibletolaunchduringthisyear"stwosesssions,butLibelievesthereisstillapossibilitythatitwouldbeintroducedinthecomingyearsasanalternativetochargingalandtransferfeeswhenstate-ownedpropertyleasesareupforrenewal."Aproblemthatourauthorityhasbefacedupwithisamountsoflandsusagetermareabouttoexpired.Theusagetermoflandsforcommercialuseis40years,industriallandsandresidentiallandsare50yearsand70yearrespectively.Especiallyforresidentiallands,iftheirlandusagetermsexpireandresidentsareaskedtopaylandtransferfeesforanothertermthatmeansalargeamountofmoneyandwould,obviously,beunbearableforthem.Withthisinmind,collectingpropertytaxmaybeagoodwayinsteadofpayingland-transferfees,andmaydefinitelymakeresidentsfeelmuchbetter,"Lisaid.PreviouslymostofLi"sproposalsrelatetothepropertymarket,thisyearhehasalsodrawnonhisexperienceasvicechairmanofChinaSiyuanFoundationforPovertyAlleviation,toputforwardaproposalaroundmanagementofnon-profitorganizationsoperation.Moreemphasisshouldbeputonimprovingtransparencyofnon-profitorganizations,Lisaid."Aswehaveseen,manynegativenewshappenedinthisareathroughlastyear,almostledtoacrisisofconfidenceamongthepublictosomedegree.Itsvitaltokeepdonorsinformedaboutthecapitalflowsofthedonations."Hehasalsosuggestedscrappingtheratingsystemfornot-for-profitsarguingthereislittledifferenceinthecategories."Iftheresnodifferenceinfund-raisingbetweena5Aorganizationanda4Aone,whybothertogivearatingforthemAfterallNGOsarenotlikehotelsorrestaurants.Tothepublic,itsthetranparencythatreallymatterswhentheywanttoknowwhetherapublicfundingfoundationisoperatinganactualgoodpublicwelfareprogram."Liexplained.

סʵвҪѴĶһҸղŽƵĹ۲ΪһƵĹ۲пǺü״һ״е״dzСAndthisproblemshouldbemuchaccountedof,Listressed,varioussocialproblemsmaybecausedbyit,ifpropertydeveloperscouldntgainreflowoffundsandevengobankrupt,itsalsodifficulttosolvelargeamountsofmigrantworkersaccruedsalary.Sincepropertytaxhasbeenofficiallyannoucedimpossibletolaunchduringthisyear"stwosesssions,butLibelievesthereisstillapossibilitythatitwouldbeintroducedinthecomingyearsasanalternativetochargingalandtransferfeeswhenstate-ownedpropertyleasesareupforrenewal."Aproblemthatourauthorityhasbefacedupwithisamountsoflandsusagetermareabouttoexpired.Theusagetermoflandsforcommercialuseis40years,industriallandsandresidentiallandsare50yearsand70yearrespectively.Especiallyforresidentiallands,iftheirlandusagetermsexpireandresidentsareaskedtopaylandtransferfeesforanothertermthatmeansalargeamountofmoneyandwould,obviously,beunbearableforthem.Withthisinmind,collectingpropertytaxmaybeagoodwayinsteadofpayingland-transferfees,andmaydefinitelymakeresidentsfeelmuchbetter,"Lisaid.PreviouslymostofLi"sproposalsrelatetothepropertymarket,thisyearhehasalsodrawnonhisexperienceasvicechairmanofChinaSiyuanFoundationforPovertyAlleviation,toputforwardaproposalaroundmanagementofnon-profitorganizationsoperation.Moreemphasisshouldbeputonimprovingtransparencyofnon-profitorganizations,Lisaid."Aswehaveseen,manynegativenewshappenedinthisareathroughlastyear,almostledtoacrisisofconfidenceamongthepublictosomedegree.Itsvitaltokeepdonorsinformedaboutthecapitalflowsofthedonations."Hehasalsosuggestedscrappingtheratingsystemfornot-for-profitsarguingthereislittledifferenceinthecategories."Iftheresnodifferenceinfund-raisingbetweena5Aorganizationanda4Aone,whybothertogivearatingforthemAfterallNGOsarenotlikehotelsorrestaurants.Tothepublic,itsthetranparencythatreallymatterswhentheywanttoknowwhetherapublicfundingfoundationisoperatinganactualgoodpublicwelfareprogram."Liexplained.

ӪƳЩµҵƷЩµĶЩܸıĸڽܱ̱߲ɷʱƼǻͶ³ƸʾĿǰֻ˵Ǵ˵нչٽӦϯϰƽɳعΪ׸йй·ʵԪ

ļʽڳ˾Ϊͻ4.ϷƼѧȫ15ʡͬ

Өʾһͣ׮ijɱ1000ԪΧֻҪ100ԪΧɱdzΪһдСķָʾHavingasoundsleepthroughhypnosis߰2017˼ȳΪʦĵ9ͷ˵ܹۺϵķܳͬ

ѾЭȨĵλվӦȨΧʹʹʱעԴй׷ط̹ڻϾϰƽǿ,DZ뿴,̱仯,иΣΣȺΣΣոӼذȫǰ,Ⱥڵ,бʽ֮⡰ķ硱

ʷĻлĻɫΪҪijƹԭзչ滮ƺ͵彨֮(̷),thetravelplanningandbookingwebsite,hasnamedBaliastheglobalwinnerofits2017TravelersChoiceAwardsfordestinations.Wereexcitedtorevealourcommunitysfavoritetraveldestinationsfor2017andrecognizetheseiconicplaceswithTravelersChoiceawards,saidBarbaraMessing,chiefmarketingofficerforTripAdvisorina.Awardwinnersweredeterminedusinganalgorithmthattookintoaccountthequantityandqualityofreviewsandratingsforhotels,restaurantsandattractionsacrossdestinationsworldwide,gatheredovera12-monthperiod.Theawardshonor418outstandingdestinationsin24listsacrosstheglobe.(Readalso:)NewYorkCity,meanwhile,ranksnumberoneintheUSfortheseventhconsecutiveyear.HereisthecompleteoftravelersdestinationchoiceaccordingtoTripAdvisor:

á֪ͨҪסլƽɹӦܲӦϸչ滮ݺͲȨǼ֤صķƽ沼ֵȽ⽻˻Ө뵺Ѿ۸֢ڳ֮ìԼ˴˼ٹ̵ĵжԺͻ˽һЩְˢΪְԵȺϵ90УѧΪ

ȷ˳Ϣ;λú½ûóȻȡжѸٽָ˲ͱȶԳʻԱϢòŲ˽⵽н鹫˾ûӪҵִպʶԼνġн顱ݽȾжӦҳԼ޺͸ȼϵĵú˵վ÷Ӧ20ҲŻһʱ轫оӴȡڼDzʹõ

Ϊڹ⹤ܹᱣ׽հ䲼ͳÿڹڹ180ĹԼ250Ԫļ˰KwabenaBoahen,aprofessorofbioengineeringandofelectricalengineeringatStanfordUniversity,hasenvisionedanewgenerationofcomputerstobebrainlike,orneuromorphic,machinesthatarevastlymoreefficientthantheconventionaldigitalcomputers.Asconventionalcomputerchipsarenotuptothechallengesposedbynext-generationautonomousdronesandmedicalimplants,"wehavereachedthepointwhereweneedtodosomethingdifferent",saysBoahen,alsoamemberofStanfordBio-XandtheStanfordNeurosciencesInstitute."Ourlab"sthreedecadesofexperiencehasputusinapositionwherewecandosomethingdifferent,somethingcompetitive."Moore"slaw,anobservationmadebyIntelCorpco-founderGordonMoorein1965,hasheldupprettywellforfivedecades:Roughlyeverytwoyears,thenumberoftransistorsonecouldfitonachipdoubled,allwhilecostssteadilydeclined.However,transistorsandotherelectroniccomponentsaresosmalltheyarebeginningtobumpupagainstfundamentalphysicallimitsontheirsize.Andthereareneedsforcomputingtobeeverfaster,cheaperandmoreefficient.InthelatestissueofComputinginScienceandEngineering,Boahensaysthatthefutureisnow.Hesaysthatwhileothershavebuiltbrain-inspiredcomputers,hewasquotedinanewsreleasesayingthatheandhiscollaboratorshavedevelopedafive-pointprospectusforhowtobuildneuromorphiccomputersthatdirectlymimicinsiliconwhatthebraindoesinfleshandblood.Thefirsttwopointsoftheprospectusconcernneuronsthemselves,whichunlikecomputersoperateinamixofdigitalandanalogmodes.Intheirdigitalmode,neuronssenddiscrete,all-or-nothingsignalsintheformofelectricalspikes,akintotheonesandzeroesofdigitalcomputers.Buttheyprocessincomingsignalsbyaddingthemallupandfiringonlyonceathresholdisreachedmoreakintoadialthanaswitch.ThatobservationledBoahentotryusingtransistorsinamixeddigital-analogmode.Doingso,itturnsout,makeschipsbothmoreenergyefficientandmorerobustwhenthecomponentsdofail,asabout4percentofthesmallesttransistorsareexpectedtodo.Fromthere,Boahenbuildsonneurons"hierarchicalorganization,distributedcomputationandfeedbackloopstocreateavisionofanevenmoreenergyefficient,powerfulandrobustneuromorphiccomputer.Overthelast30years,Boahen"slabhasimplementedmostofitsideasinphysicaldevices,includingNeurogrid,oneofthefirsttrulyneuromorphiccomputers.But,inanothertwoorthreeyears,Boahensays,heexpectshisteamwillhavedesignedandbuiltcomputersimplementingalloftheprospectus"fivepoints."It"scomplementary,"Boahensays,addingthat"it"snotgoingtoreplacecurrentcomputers".Butasmostpersonalcomputersoperatenowherenearthelimitsofconventionalchips,neuromorphiccomputerswouldbemostusefulinembeddedsystemsthathaveextremelytightenergyrequirements,suchasverylow-powerneuralimplantsoron-boardcomputersinautonomousdrones.ũҵ2017ũƷȫרη꽫ص㿪չũҩ⾫ÿҩũʴٵ7רж

,ơ(ع)޹˾۹2016ҵǿƤоʾ75%йΪйڹϰʮҪĽɫʮ塱ڼȫ濪չȫͳӹƱ

йѶ(߳ӨӨ)ÿȫЭ֮ʱ,һµ᰸֮321»ǧȺձơĵǶչϵչǩƽԼҪϰڱƹоִҵһս˲ҵǡʮ塱ս˲ҵdzҪһˡʮ塱ս²ҵ滮˼·

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