证监会发布内地与香港股票市场互联互通机制若干规定

快三走势图

2018-05-22

Havingasoundsleepthroughhypnosis编者按:2017年是张思娜成为催眠师的第9个年头。他认为,如果要说这场人才抢夺战有什么积极意义的话,那就是作为高校教学和科研的主要力量,高校教师队伍建设受到了越来越多高校的重视,有利于优秀人才和团队将获得更好的机会和发展空间。“我总担心我哪天熬完夜躺下去就再也起不来了,体测长跑的时候也总担心自己随时猝死。

为贯彻落实中央对生态文明建设的指示精神,探索“绿色发展、循环发展、低碳发展”的实现途径,研究推进生态文明建设的有效模式,中国互联网新闻中心和中国环境科学学会紧密携手,推出了一年一度的绿色发展与生态建设新标杆盛典。但报告指出,此类补贴可能带来不利影响,例如会影响项目实施以及管理。随后,台行政院以及民进党、社运团体等先后提出7个版本的两岸协议监督条例。

  发现问题的,要及时整改;不适宜继续开展托养服务的托养机构,要立即终止托养,妥善安置托养人员;发现违纪违法行为的,要严肃查处,追究责任。”俞望辰说。打造MSBB底妆技巧:1.用刷子上妆一般人都是用刷子蘸完粉底液以后,直接往脸上刷,但是建议蘸完粉底液后,先在手背上微微揉压一下,这样可以让粉底液均匀地揉在刷毛里面。

Thestorylineofthenewfilm,entitledYing(literallytranslatedas"Shadow"),isbeingkeptsecret.Zhangpolishedthescriptoveraperiodofthreeyears,whilethepreparationsforfilmingoccupiedoneyearbeforethecamerasstartedrolling.VillageRoadshowPicturesAsiaandLeVisionPicturesareco-producingit.DuringapublicappearanceattheLoyolaMarymountSchoolofFilmandTVinLosAngeleslastmonth,Zhangmentionedhewasworkingonathen-untitledhistoricaldramafocusingontheThreeKingdomsperiodinChinesehistory,whichreferstoa60-yearspaninthe3rdcentury,whentheKingdomsofWei,ShuandWudominatedwhatareasoftoday"sCentral,SouthandEastChina.IthasbeenreportedthatYingfocusesontheKingdomofShu.ActorsDengChao,HuJun,WangQianyuan,GuanXiaotongandWangJingchunalongwithZhangYimou,CEOofLeVisionPicturesZhangZhaoandEllenEliasoph,PresidentandCEOofVillageRoadshowPicturesAsiashowedupatthelaunchceremonyofthefilminBeijinglastSaturday.ItwasannouncedthatactorsZhengKaiandWuLeiarealsoinvolvedintheproject,whiletopactressGongLiisalsorumoredtobejoininglater.FilmingwilllasttwomonthsattheHanCityStudio,Zaoyangcity,Hubeiprovince.ZhangYimou"slastsignificantChinese-Americanco-productionTheGreatWallhassofarbeenacolossaldisappointment,receivingmixedreviewsandmakingonly$44.75millionintheNorthAmericanmarketand$170millioninChina.TheHollywoodReportersuggestedinoneofitsreportsthatthestudiosinvolvedmaysufferatotallossofmorethan$75million.Related:飞向三亚的候鸟老人们越来越多,这座城市也在变得更加适宜养老。但日常生活中,很多女性由于贪吃冷饮、不注意保暖等坏习惯,让怕冷的子宫着了凉,导致宫寒症状。

  的确,制作一部360度虚拟现实电影或其他相关内容的成本也十分昂贵。,thetravelplanningandbookingwebsite,hasnamedBaliastheglobalwinnerofits2017TravelersChoiceAwardsfordestinations.Wereexcitedtorevealourcommunitysfavoritetraveldestinationsfor2017andrecognizetheseiconicplaceswithTravelersChoiceawards,saidBarbaraMessing,chiefmarketingofficerforTripAdvisorina.Awardwinnersweredeterminedusinganalgorithmthattookintoaccountthequantityandqualityofreviewsandratingsforhotels,restaurantsandattractionsacrossdestinationsworldwide,gatheredovera12-monthperiod.Theawardshonor418outstandingdestinationsin24listsacrosstheglobe.(Readalso:)NewYorkCity,meanwhile,ranksnumberoneintheUSfortheseventhconsecutiveyear.HereisthecompleteoftravelersdestinationchoiceaccordingtoTripAdvisor:美国认为,越是加码越能体现美主宰半岛局势的能量,但施压加码阻挡不了朝鲜拥核,朝鲜认为只有握住核才能和美国唱对台戏。

  乐天大规模退出市场  供应商赶赴北京总部催款  ■本报记者刘斯会  乐天集团关店消息持续发酵。我在边防线当兵好几年,要是双方都巡逻,如果有敌意,子弹顶在膛上,谁打响第一枪真说不清楚,因为都有敌意,说不定走火,所以为什么各国签订停战协定,往往都要建立非军事区,拿着枪的人不要碰在一块,碰在一块有时候出于误判的可能就打响了,所以这种情况下,我觉得战略上的缓冲位置,在任何条件下往往还都是有存在的意义的,只不过现在作用在减少。历时24天,2017年1月13日,由辽宁舰与多艘驱护舰组成的航母编队,顺利完成跨海区训练和试验任务后返航。

”相较而言,一线明星参加综艺节目会更加慎重。这些样品随即被送到中国环境科学研究院相关权威机构进行鉴定,结果为:货样含有铅、汞、砷等有毒有害物质的含量竟然达到99.8%,属于我国禁止进口的危险性固体废物。  农业供给侧结构性改革,一头事关人民群众对安全、绿色和健康食品的需求,另一头关系到农业现代化转型能否实现,农民能否持续增收,至关重要。

她到达机场时,也没有看到贵宾休息室,于是联络某旅游网站客服,得到的回复是,确有贵宾休息室。对精子尾巴摆动的测量结果将送到计算机模型中,这能有助于理解由该运动产生的流体流动模式。云的类型方面一般是积云、层云、卷云以及雨云,有的时候积云会从低云到中云跨度很大,有时能跨越18公里的高度,这很有可能横跨了低云、中云以及高云的范围。

分享到:Anexhibitionthemedonwomen"slivesduringtheHan(206BC-220AD)andTang(618-907)dynastiesisongoingattheTianjinMuseum,whichisshowingnearly100piecesofexquisiteculturalrelics.Ancientpotteryfigurinesrelatingtofemales,aswellasgold,silverandjadeitemsandbronzemirrorsareonexhibit.Theexhibitionfeaturesthefirstfemale-themedshowintheTianjinMuseumanditispresentedincollaborationwiththeXi"anMuseum.Itrevealsthefashionablelifeofwomenintheancientcapital,Chang"an,throughclothing,makeup,scenesoffeasting,musicanddance.TheexhibitionwillrunthroughMay4.选择“失眠”的占30.65%,选择“工作”和“游戏”的分别占14%和15%。

波司登集团副总裁、波司登男装董事长高晓东3月19日,波司登男装在常熟举行“2017秋冬新品发布会”。博大面业的官网显示,其拥有国内最先进的自动化挂面、面粉生产线,是国家守合同重信用企业及农业产业化国家龙头企业,博大标志荣获中国驰名商标。图片来源于新华社)据悉,腾提度体育将在以成都为首的西南地区,布局赛事IP、赛事版权、顶级体育明星、体育传媒、运动科技五大产业板块,涉及包括足球、篮球、拳击、路跑、网球、冰雪、棋牌、橄榄球在内的多个领域。

其中9:00—9:40的民歌湖水上舞台演出是本次活动的重头戏,演出将隆重推出百名“刘三姐”现场汇歌,届时百名少女身着华美壮族节日盛装盛大开场,演出服装为量身定做,既有传统特色又融入现代元素,是演出一大看点。Andthisproblemshouldbemuchaccountedof,Listressed,varioussocialproblemsmaybecausedbyit,ifpropertydeveloperscouldn’tgainreflowoffundsandevengobankrupt,it’salsodifficulttosolvelargeamountsofmigrantworkers’accruedsalary.Sincepropertytaxhasbeenofficiallyannoucedimpossibletolaunchduringthisyear"stwosesssions,butLibelievesthereisstillapossibilitythatitwouldbeintroducedinthecomingyearsasanalternativetochargingalandtransferfeeswhenstate-ownedpropertyleasesareupforrenewal."Aproblemthatourauthorityhasbefacedupwithisamountsoflands’usagetermareabouttoexpired.Theusagetermoflandsforcommercialuseis40years,industriallandsandresidentiallandsare50yearsand70yearrespectively.Especiallyforresidentiallands,iftheirlandusagetermsexpireandresidentsareaskedtopaylandtransferfeesforanothertermthatmeansalargeamountofmoneyandwould,obviously,beunbearableforthem.Withthisinmind,collectingpropertytaxmaybeagoodwayinsteadofpayingland-transferfees,andmaydefinitelymakeresidentsfeelmuchbetter,"Lisaid.PreviouslymostofLi"sproposalsrelatetothepropertymarket,thisyearhehasalsodrawnonhisexperienceasvicechairmanofChinaSiyuanFoundationforPovertyAlleviation,toputforwardaproposalaroundmanagementofnon-profitorganizationsoperation.Moreemphasisshouldbeputonimprovingtransparencyofnon-profitorganizations,Lisaid."Aswehaveseen,manynegativenewshappenedinthisareathroughlastyear,almostledtoacrisisofconfidenceamongthepublictosomedegree.It’svitaltokeepdonorsinformedaboutthecapitalflowsofthedonations."Hehasalsosuggestedscrappingtheratingsystemfornot-for-profitsarguingthereislittledifferenceinthecategories."Ifthere’snodifferenceinfund-raisingbetweena5Aorganizationanda4Aone,whybothertogivearatingforthemAfterallNGOsarenotlikehotelsorrestaurants.Tothepublic,it’sthetranparencythatreallymatterswhentheywanttoknowwhetherapublicfundingfoundationisoperatinganactualgoodpublicwelfareprogram."Liexplained.值得注意的是,这笔钱本该用于公司新品研发。

其他问题我们应以多手对多手,用复杂回应复杂。LeonLaipromoteshisdirectorialdebutWineWarinBeijingonMarch19.[PhotoprovidedtoChinaDaily]Canton-popmegastarLeonLaiunveiledthebackdropofhisdirectorialdebut,WineWar,onSundayinBeijing.The50-year-oldsinger-actorfromBeijing,who"shailedasoneofthefour"heavenlykings"inHongKong,hasstarredinanumberofhitTVseriesandmovies,suchasthe2003BerlinInternationalFilmFestival-nominatedfilm,Three.Laiwillshowhisnewtalentsbehindthecameraintheforthcomingthriller.Themovie,whichwillopenacrosstheChinesemainlandonMay19,portraysashoot"em-upquesttopossessapreciousbottleofredwineproducedin1855.Laiplaysthelead.Thecastalsoincludessupermodel-turned-actressDuJuan,TaiwanactorDavidWangandmodel-actorNanFulongfromTianjin.“开展传统文化教育对学生而言十分必要,将优秀的诗词古文和至理名言加以普及,有助于学生树立正确的人生观、价值观。

窍门2&裸色高跟鞋裸色高跟鞋是增高必备,因为近似肤色,就有一种和鞋子一起长高的错觉。同样备受外界关注的,还有沙特国王萨勒曼即位后的首次访华。而联保通平台已于2016年二季度起全面停止P2P项目的发行,正常开展兑付工作。

这个位于内华达沙漠的原型机被公司称为DevLoop,全长1.8英里(3千米)。Atsixyearsold,ZhangBaolanstartedlearningtheartofcottonwooldrawingfromhergrandmotherandmother,whowerebothenthusiasticaboutpapercuttingsandfabricart."ThecottonwooldrawingsmadebymygrandmaandmotherwerequitesimpleandIstartedtomakeitmoreelegantandelaboratefrom1986whenmydaughterswenttouniversitiesandIhadmoretimetoworkontheart,"Zhangsaid.Nowthe69-year-old"scottonwooldrawingsarequitepopularoverseasandshehasbeeninvitedtoholdexhibitionsinseveralcountriesandregions.ManyofherartworksarecollectedbyartinstitutionsorprivatecollectorsintheUnitedStates,Germany,France,Singapore,HongKongandTaiwan.EventheformerUSpresidentBillClintoncollectedoneofhercottonwooldrawingsduringastatevisittoChinain1998.通知还对住房公积金贷款条件进行了调整,将用公积金贷款购买首套房的首付款比例提升至30%,二套房首付比例提升至60%,停止向购买第三套及以上住房的家庭发放住房公积金贷款;同时,暂停受理住房公积金异地个人住房贷款。

今年2月10日,北方跃龙公告称,拟将大部分资金用于九一动力归还借款。(陈山/文图)国务院新闻办公室网络局副局长彭波出席签约仪式并致辞,以下是致辞的全文:成长 成熟 成功中国互联网的明天会很好很强大——在《中国互联网视听节目服务自律公约》签字仪式上的讲话国务院新闻办网络局副局长 彭波各位领导、各位朋友:今天我们大家聚集一堂,共同参与并见证中国互联网发展史上又一具有意义的事件。中卫抢抓全域旅游的强劲东风,把开放富裕和谐美丽中卫建设融入全域旅游创建全过程,走出了一条西部欠发达地区以旅游促发展的新路。

2.油光满面的水光妆不知道什么时候开始,水光妆变得很流行。取消药品加成(不含中药饮片)和挂号费、诊疗费,设立医事服务费,下调大型设备检查项目价格……这份将于4月8日全面实施、涉及全市3600多家医疗机构的改革方案中,诸多医改新政引发舆论关注。三是在宣传教育上,把优秀传统文化作为新闻媒体报道、文化阵地建设的重要内容,贯穿国民教育、滋养文艺创作、融入生产生活,形成良好的舆论导向和社会氛围。

为了解释“握手风波”事件,特朗普18日在推特上呛声道:“德国欠北约一大笔钱,美国向德国提供了强有力的、非常昂贵的防务,也应得到支付。Athousand-year-oldpagodainCentralChina"sHenanprovincehasstartedonitslargest-scalerenovationsince1949,saidlocalofficialsonTuesday.Thenine-storyoctangularpagoda,intheWuhuaTempleofYiyangcountyinLuoyangcity,stands37.2meterstallandfeaturescarvingsofbuddhasandgiants.AccordingtotheYiyangcountyannals,thepagodawasbuiltintheSongDynasty(960-1279),butsomeoftheconstructionmaterialsdatefromtheTangDynasty(618-907).Overtime,theotherpartsofthetemplecomplexweredestroyed,leavingjusttheWuhuaTemple.Thepagodahasalsotiltedoverthecenturies,leadinglocalstojokinglycallit"Luoyang"sTowerofPisa"."Duetothelackofrepair,itwasleaning,andsomeofthestonesweremissingorweatheredaway,"saidHuoXiaofeng,headoftheculturalrelicsmanagementofficeofYiyang."Theroofeavesespeciallywereseriouslydamaged."Therenovationisexpectedtobecompletedattheendoftheyear.乐天玛特在中国以北京、天津、山东、辽宁为先期拓展领域,逐步开拓全国市场,并预计在2018年门店增至300家,销售额实现2000亿美元,成为“亚洲零售业之最”。

同样的悲剧频繁上演,血的教训犹在眼前,类似一幕却又上演,不得不让人为后来者捏把汗。3月21日,新京报记者了解到,北上深等一线城市正在讨论制定共享单车管理规范及行业标准,其中上海有望在6、7月份施行。三、创实践载体,经典浸润校园文化。

小细节还是不能忽视,大热的渔网袜赶快利用起来。Japan"srulingandoppositionpartieshavedecidedtosummonYasunoriKagoike,headoftheOsaka-basededucationinstitutionMoritomoGakuen,toDiet,orJapan"sparliamenttoanswerquestionsonMarch23.KagoiketoldadelegationofDietmembersinOsakaonThursdaythathereceivedadonationfromPrimeMinisterShinzoAbetohelpbuildanelementaryschoolthatwasduetoopeninApril.Thelawmakersvisitedthesiteoftheschool,whichKagoikehasgivenupasithasbecomeembroiledinalandscandal.MoritomoGakuenwasfoundtohavepurchasedtheplotfromthetransportministryatadisproportionatelylargediscount-payinglessthanone-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,heislikelytodothatwhichNipponKaigiwillwanttodothemost-rewriteJapan"[email protected]adaily.com.cn乐天玛特目前超过90%的乐天在华商场不再营业,仅剩的12家商场模式如何发展业也是未知数。

那里几乎每一名乘客不论年轻还是年老、穿着考究还是邋遢,几乎都盯着智能手机屏幕。以色列总理内塔尼亚胡访华期间,中以双方同意建立创新全面伙伴关系,成为此访一大亮点。对当前我国教师的培养模式,朱晓进也有自己的担忧。

  军事合作的发展以及现代中俄关系演习证明,中俄双方都有兴趣参与到在安全领域未来的关系巩固进程中。2017-03-1615:23:43其实这个系列气象的主题让师太说了以后我们觉得一下子变的更加全面了,不仅仅是我们专业人士我们有高端全方位的设备来“观云识天”,每个人都可以参与,而且他跟你熟悉亲近了之后,我觉得天气预报的准确率分成两部分,一部分是因为你们的强大支撑的天气预报客观准与不准的准确率,另外一方面是你们这些人跟大家经常去互动,感情亲近了以后,因为喜欢你因为相信你,因为相信你不会骗我们,所以说内心深处不抵触所产生天气预报主观的准确率,他不会冤枉你,错了就是错了,对了就是对了,这一点我们每个人所做的看似都是局部,在气象这个行业当中都是局部,但是堆积起来搭建起来才是真正的“观云识天”。如果说这次节目播出之后有什么是真正出乎我的意料的话,那就是新媒体的热度和年轻受众的喜爱。

”唐和璐说,她很认可“春捂秋冻”的观点,因为以前有过教训,在春天较早把厚衣服换掉,结果感冒了。随后,黄柯也以欺诈消费者为由将新力虎告上了法庭。此次论坛以“美丽中国,绿色先行”为主旨,围绕“生态空间、生态经济、生态环境、生态生活、生态制度、生态文化”等方面的议题,汇总成绩、集中众智,共同探讨绿色发展和生态建设方向,对提升绿色发展水平,构建经济、社会和环境协同发展体系,实现生态可持续发展的目标做出新的更大的贡献。

所以,这个产业纳入国家战略性新兴产业更是民生产业。再一个,“天空哨兵”这种相控阵雷达已经非常老旧了,以及它的飞行甲板,特别是拦阻装置,都需要更换。  据公开资料显示,中国第三艘航母项目与电磁弹射器项目的立项时间大体一致。

我觉得是这样的,跟气侯是不是有关系,你想想有一个谚语,八月十五云遮月,正月十五雪打灯。“希望相关部门能对此真正加以重视,推动学校开设中华优秀传统文化必修课,在教育的全过程贯穿对优秀传统文化崇敬、自信的态度。14.养只宠物。

据中新网(微信公众号:cns2012)记者不完全统计,截至22日下午,共有包括北京大学、清华大学在内的60余所高校公布了今年的自主招生简章。(责任编辑:张洁欣)中国网汽车转载此文目的在于传递更多信息,不代表本网的观点和立场。  中国同时应推动美韩制定减少对朝鲜军事威胁的路线图,推动朝鲜形成暂停核导活动的意愿。

TheInternationalTelecommunicationUnionhasadoptedChina"snationalstandardformobiledevices"animationasaninternationalcriterion.It"sChina"sfirsttechnologicalstandardinaculturalfieldtobeadoptedinternationally,theMinistryofCulturesaidatanewsconferenceonMonday.ThestandardnumberT.621hasbeenusedbyover1,000mobile-deviceanimationoperatorsinChina.Thiscreatesuniformedformatsandtechnicalmethodsforrunningcontentnationwide.BeijingUniversityofPostsandTelecommunicationsprofessorChenHongsaysthestandardsavescontentoperatorsenergyintermsoftransformationamongdifferentformats.Itgivesthemmoretimetocreatenewcontentandfacilitatesthecirculationofnewproduction.HeaddsthattheinternationalizationofChina"snationalstandardwillhelpChinesehardwaremanufacturersgooverseas.YuQun,anassistanttotheMinisterofCulture,saysthestandard"spromotionwillfirstfocusonBeltandRoadInitiativecountries.It"llgraduallyspreadtotheAmericasandEurope.HealsosaysChinawilldevelopmoreinternationaltechnologicalstandardsrelatedtotheculturalsphere.Related:  《福布斯》杂志22日质问:为何不禁止智能手机?智能手机也可以触发爆炸。这组摄影作品,由军旅摄影师李光印跟拍多年记录而成,国宾护卫队十几载闪光瞬间,被一一镌刻在镜头里。

二是今年央行在MPA的参数设定可能更严,并将加大对不达标机构的惩罚力度。蓝迪国际智库在“一带一路”建设过程中的努力与成效,更加夯实了这份国际友谊。为了向国内外网民讲好中国故事,中国互联网新闻中心持续关注着绿色生态发展的动态,进行了长期、深入的跟踪采访报道,通过中国网这一多语种、多媒体、多终端平台,为地方和企业的生态建设实践进行广泛宣传和推介,为中国经济的绿色发展提供可借鉴的标杆样板,助力中国可持续发展的整体解决方案。

2017-03-1615:16:27我特别同意你的表述,因为当我们一个学科有了很高端能力的时候,我们常常会自我封闭,其实一个学科要让它没有围墙,它的同行者、随行者越多,这个学科不陌生很亲切,大家不会误解,这样使得这个学科更好的发展,那你在网上所做的分享和互动同样是这个学科的前沿。”每月第一周的星期一,凯里市第三幼儿园都将迎来全园盛会——民族服饰日。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.Buttheyprocessincomingsignalsbyaddingthemallupandfiringonlyonceathresholdisreached-moreakintoadialthanaswitch.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.

388| 924| 414| 286| 534| 107| 977| 377| 126| 927|