北京明日起天安门广场及周边交通管制

四川金7乐开奖结果今天

2018-05-24

目前基地已经建立三年行动计划,积极思考用好自贸区这块试验田,与全国兄弟自贸区联动,立足上海、辐射长三角、面向全国、服务世界,让更多中国文化产品和企业项目对接国际市场,也让上海自贸试验区真正成为文化企业走出去的桥头堡。“彩礼满桌”曾是沉重负担过去,沿海侨乡福建长乐市经济快速发展,民间婚丧喜庆讲排场、比阔气等铺张浪费之风比较盛行,婚丧喜庆逐渐由民间习俗演变为攀比、斗富的平台。截至2016年年底,海南省已经与东三省、内蒙古、新疆、宁夏、甘肃、上海等地签订了异地就医协议,全省有38家定点医疗机构能够医保异地结算,而三亚有其中的5家。

然而当她把自己的想法说出来后,得到了乡村两级干部的大力支持,不仅为她解决了场地,还帮她办理了4万元的贷款。高晓东先生表示,波司登男装作为集团四季化的核心业务,承接集团战略部署,明晰品牌定位,坚持自主研収设计,做深渠道、做精产品,规范终端运营管理,立足长三角,稳扎稳打的拓展全国市场,提升市场占有率以及品牌影响力,在激烈的男装市场中稳步发展,秉承初心,以不断变革创新为劢力、以产品质量为保障、以团队协作为基础,把波司登男装打造成为‘轻商务生活男装’的风尚标!治治病,主要是坚持惩前毖后、治病救人方针,区别情况、对症下药,对作风方面存在问题的党员、干部进行教育提醒,对问题严重的进行查处,对不正之风和突出问题进行专项治理。

在辩证法意义上,实践唯物主义以实践第一的思维方式揭示和阐释人与自然、人与社会、人的身与心无限丰富的矛盾关系,并以当代人类实践活动中的发展问题为主题深入揭示和阐释人与世界的矛盾关系,不仅凸显了辩证法的批判本质和实践智慧,而且深刻体现了列宁关于“辩证法也就是认识论”的辩证法、认识论和逻辑学“三者一致”的哲学思想。路透社摄影记者说,他在西敏寺大桥接近议会大厦路段看到至少有十几人受伤。嫌疑人是一名非裔惯犯,曾因抢劫、斗殴、吸毒等罪名被捕30余次。

自2014年开始,广西政府将“壮族三月三”设为公众假日。本月15日B1-B战略轰炸机飞抵韩国江原道宁越必胜射击场训练时,朝鲜就曾抗议称这是美帝在进行核炮弹投弹练习。专家:“容错”认定应让公众发言“当前,在高压反腐的大背景下,一些官员开始对工作畏首畏尾、消极懈怠,甚至出现为官不为的现象,此外,在全面深化改革的大背景下,国家需要鼓励各级干部敢想敢干、敢闯敢试,这是当前容错激励机制出现的两大因素。

“在港股市场,我们是很有吸引力的,除了直播,在游戏、金融科技等业务都有涉及。只见她用一只手托着其中一条蟒蛇,另一只手则温柔地抚摸着它的小脑袋,似乎在对它说着悄悄话。通过辅助抢票、爱心汽车、回家基金等丰富形式,开辟多条春节回家绿色安全通道,帮助在外游子实现春节团圆梦,打造招财进宝中国年!  即日起至2017年1月20日,参与活动即有机会免费领取爱心机票、回家基金、爱心汽车等大奖,招财进宝,喝金罐加多宝,更多详情请关注加多宝凉茶官方微信及扫描罐身二维码!活动热线电话:010-58295833转8103

节目开始前,德高望重的老人向村民们抛洒糖果,祝福他们节日吉祥、人丁兴旺、五谷丰登。朱丹蓬表示。习近平总书记在与代表、委员共商国是、倾心交流中发表的一系列重要讲话,再次凝聚了共识,鼓舞了斗志,指明了方向。

中国青年报·中青在线记者发现,不少高三学生家长对“院校专业组”这个新词有些摸不着头脑。相比男人,女性容易气血失和、肝郁气滞。WhileChina"sbike-sharingmarketisboomingascompetitorsbattleitout,somecities"curbsidesarealreadyoverloadedwiththecolorfulselectionofbicycles,orworse,damagedonesthatnoonecanuse.BigData-Researchsaidsharedbicyclesserved19millionpeopleinChinabytheendoflastyear.OfoCEODaiWeitoldXinhuaNewsAgencythisMarchthatthecompany"s15millionusersin40citieshadcompleted200millionrides.Therelativelyhighusageratemakesasharedbicyclemorevulnerablethanaprivatebicycle,nottomentiondamagecausedbyvandalism.LiZhifu,arepairmanworkingforbike-sharingcompanyBluegogoinChengdu,Sichuanprovince,toldChengduBusinessDailyonMarch13thathefixes60to70sharedbicycleseverydayandthenumberoncerosetomorethan100.HiscolleagueYuYipingsaidthedamage,normallydividedintophysicaldamageandelectronicdamage,areusuallycausedbyfairwearandtearorpeople"sbadbehavior.Yuhasevenrepairedsharedbicyclesthathavebeenpulledoutofariver,burnt,orhadtheirlockspriedopen."Damagetosharedbicyclesareinevitablebecauseofthehighusagerate,butitiswrongtovandalizethem.Ihopeeveryonecanmakeproperuseofthemandcreatemoreconvenienceforothers,"Yusaid.BigData-Researchsaidthenumberofsharedbikeusersisexpectedtoreach50millionthisyear.Users"badbehaviorisstilldifficulttoregulateatpresent.

2017-03-1614:09:16因为孙老师您是研究强风暴的,马上就可以想到跟您具体专业相关的。但始终未出现关于代购、海淘、跨境电商的条款。Theconceptusesthatgrewoutoftheembryoniccellsbroughtbackfromspace.[ScreenshotofCCTVreport]TheembryoniccellsofthemangobroughtbackbymannedspacecraftShenzhouXIlastNovemberafterthe33-dayspacemissionhavenowgrownnewtissuesatalabinSouthChina"sHainanprovince.Thesecellsweredevelopedunderanexperimentdesignedtocultivateanewvarietyofmangothroughenvironmentalmutationinspace.Scientists"nextstagetaskistostudyhowthemutationcanaffectthefruitandfurthercultivatethebreedthatcanbecome"spacemangoes"."Spacemangoesareexpectedtobeinsect-resistant,ofhigherqualityandprovidemoreoutput,"saidPengLongrong,headoftheproject,toCCTV.

Anexhibitionthemedonwomen"slivesduringtheHan(206BC-220AD)andTang(618-907)dynastiesisongoingattheTianjinMuseum,whichisshowingnearly100piecesofexquisiteculturalrelics.Ancientpotteryfigurinesrelatingtofemales,aswellasgold,silverandjadeitemsandbronzemirrorsareonexhibit.Theexhibitionfeaturesthefirstfemale-themedshowintheTianjinMuseumanditispresentedincollaborationwiththeXi"anMuseum.Itrevealsthefashionablelifeofwomenintheancientcapital,Chang"an,throughclothing,makeup,scenesoffeasting,musicanddance.TheexhibitionwillrunthroughMay4.我要强调,文化不仅是少数文化人的事情,文化建设不仅是少数文化人的责任,这是需要全民族共同努力的。二要进一步规范,按照《民航局行政审批标准化建设方案》要求,加快推进标准化建设进度,尽快落实统一编号、统一出具受理单等工作要求。

尽早实现以、巴两个国家比邻而居、和平共处,既是以巴双方乃至整个中东地区的福祉所在,也是国际社会众望所归。文物工作与经济建设的关联越来越紧密,与人民群众生产生活的改善越来越贴近,对经济社会发展的贡献越来越明显,越来越成为凝聚人心、坚定自信、推动发展的重要力量。同时,今年北京市将继续奖励生态安葬,对采取海葬、不保留骨灰和骨灰深埋不留坟头的,每份骨灰给予一次性奖励5000元。

  而据官方调查称,去年雷文锋被送到练溪托养中心后,出现举止、饮食异常的情况,中心将他送到医院救治后死亡。截至2015年,华润啤酒拥有啤酒厂97家,啤酒年产能约2200万千升。各商业银行应采取换卡不换号、实时发卡等措施加快存量磁条卡更换为金融IC卡的进度。

  那么,使民政部急电全国的广东练溪托养中心受助人员非正常死亡事件,到底是什么情况?  事件:走失少年雷文锋死亡  这名少年叫雷文锋,15岁。其次,加强对商业银行的窗口指导,敦促其优化信贷结构、合理控制房贷比重和增速,做好房贷资源投放的区域分布,支持三四线城市去库存,有效防控信贷风险,积极会同当地银监部门,将差别化住房信贷政策严格落实。分享到:

关于具体社会的事件的回应李竞雄《无题(绘画)》李竞雄的作品探讨奢华的消费景观与“低俗”审美之间的共通性,以及由此折射出的“一份独特的、迷人的中国性焦虑”。RidersscanofobikesinXi"an,Shaanxiprovince.Thebike-hirestartupisexperimentingwithadepositwaiversystemforusersinShanghaiandmayextendtheservicetoothercitiesinthecountry.[Photo/ChinaDaily]INWHATISBELIEVEDTOBEthecountry"sfirstcourtcaseagainstacompanyofferingashared-bicycleservice,a31-year-oldBeijingcitizenissuingOfo,oneofthecountry"sleadingbike-sharingcompanies,asheclaimsthathewasinjuredduetoafaultybikeherentedtwomonthsago,GuangzhouDailycommentedonTuesday:TheplaintiffclaimsthatOfoisresponsibleforinsufficientmaintenance,asheallegesthebrakesonthebikehehiredwerefaulty.Heisclaiming20,000yuan($2,900)ascompensationtocoverhismedicaltreatment,mentaldistressandtransportationcosts.Heisnotthefirstridertosolicitcompensationfrombike-sharingoperatorsinthecountryonthegroundsthatthebikestheyusedwerenotwellmaintained.Albeitmostclaimants"requestswereansweredandproperlydealtwithbythecompaniesconcerned,aroutineapproachtosituationslikethisisstillmissing.Accidentsinvolvingsharingbikes,whichhavebecomeverypopularinlessthanayear,willinevitablyincreaseasmorepeopleusethem.Thatwarrantsatailoredaccountabilitymechanismwhenitcomestotherespectiveresponsibilitiesofbothusersandthebike-sharingserviceproviders.Thebusinessmodelofstation-lessbikesisdesignedtohelpurbancommuterstravelthe"lastmile"moreefficiently.Toprotectusers"legalinterests,ensuringtheirbikesareinsatisfactoryconditionistheleastthebikeproviderscando.Admittedly,bigplayerssuchasMobikeandOfoarecoveredbyinsuranceandtheypledgetocompensateridersforanyinjuriesincurredwhileusingthebikes.Compensationisalsoavailableforpeopleinjuredbythoseusingthebikes.Sucheffortsarepraiseworthy,butnotenough.Theyshouldbeinstitutionalizedandstreamlinedinthewayinsuranceiscompulsoryforallvehicles.Bike-sharingserviceproviders,too,needlegalprotectionbecausetheyareatriskofbeingblackmailedbyunscrupuloususerswillingtogotogreatlengthstobecompensated.然而她想当然地认为P2P行业公司大多是没有资质而为,公司只是金融业务的平台,没有专门资质并不会产生什么影响。

“后来在一次团队督导中,我才知道我当时患了创伤后应激障碍综合征。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.中国网总编辑王晓辉,中国网副总编辑薛立胜出席会议并讲话,中国贸促会促进部北京世园办处长周建秀、中国网资讯中心主任詹海涛等出席会议。

我们的监管有不可推卸的责任,监管部门虽多次对这个单位发出整改通知,但是没有按照要求去落实整改。摩托护卫也是外国元首踏上我国的第一道礼仪,因此,武警国宾护卫队被称为流动的“仪仗队”,有着“中华第一骑”美誉,是中国武警的世界名片。  【环球网军事3月22日报道环球时报驻特约记者黄和悦任重】合纵还是连横?越南寻求支持。

但随着调查的不断深入,发现陈乐群与贺某为情人关系及与贺某育有一子。三是全面推动生态修复城市修补。合作共赢构建网络空间命运共同体,让网络空间成为人类社会共同福祉,是中国的根本目的。

  “救急”可期资金面紧日子未完  度过异常紧张的周一之后,周二,借资金、平头寸依然是银行间市场的主旋律。合作开放的联合批评进入数字新媒介时代,面对网络文艺,各种个体化主体的批评活动都遭遇到困境。说来也是好生牛B啊!《小厨师》晚宴众所周知强调的是视觉上的效果,对于环境和餐具等的质感or摆放位置都是十分的苛刻的。

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.2013年,日本厚生劳动省陆续发布通知,宣布福岛县及周边地区生产的谷物、禽类、水产中检测出放射性物质含量超标,对其采取限制销售措施。李虎将这一空间设计理念称为“23个美术馆”。

经全面排查,合肥市其余在建轨道交通工程电缆设备均未采用奥凯公司产品。牢固的核心价值观,都有其固有的根本。不过,他尚未表态加拿大是否也将步这两国的后尘。

活动标题活动描述文字内容:各位媒体的朋友们:上午好!欢迎大家来参加文化部2017年第一季度例行新闻发布会!在刚刚闭幕的两会上,数字技术与文化内容的深度融合成为了两会的热议话题之一。但她又说:“或许还是更适合老人吧。”(台馨遥)

北京市发改委新闻发言人李素芳表示,经测算,改革后全市医疗费用总量上基本平衡,患者费用负担总体没有增加。但只要它在托运行李中,即便在X光的检查中漏掉,也无法实施爆炸。Chinahasthelargestlaborforceintheworld.However,manyenterprisescomplainaboutalackofskilledworkers,especiallyseniortechnicians.Itisaproblemthathasattractedtheattentionofthecentralleadership.In2014,theStateCouncil,China"sCabinet,calledforthestructureofhighereducationtobeoptimizedsothatvocationaleducationaccountedformorethanhalfofthetotal.Italsosetthegoalofstudentsatmiddlevocationalschoolsreaching23.5millionby2020.However,thatcallwentunheeded.Accordingtoofficialdata,thenumberoffreshstudentsformiddlevocationalschoolsnationwidewas6millionin2015,or185,100fewerthan2014.Thenumberofstudentsstudyinginmiddlevocationalschoolswas16.56million,almost1millionfewerthan2014.Inotherwords,vocationaleducationdeclineddespitetheencouragementoftheauthorities.Thatshouldarouseourconcern.Itislowpayandthelowsocialstatusoftechniciansthathaspreventedfamiliesfromsendingtheirchildrentoattendvocationalschools.Asaresult,technicalworkasaprofessionhasnotimproved,andthepayremainslow.Inordertobreakthisviciouscircle,therearetwothingsthatmustbedone.First,theauthoritieshavetofurtherequalizetheeducationsystemsothatthosereceivingvocationaleducationdonotfeelinferior.Currentlyonlythosestudentswhofailtogethighenoughscorestoentercollegeswillchoosevocationalcolleges,andthisphenomenonmustbechanged.Second,moreresourcesmustbeinvestedinvocationalschools.Forlong,vocationalschoolswerebusyattractingstudents,butforgottobuilduptheiradvantages;asaresult,vocationalschoolgraduatesareoftentreatedascheaplaborbyenterprises.Itistimeformoregovernmentinvestmentinvocationalschools,sothattheycangetenoughqualifiedteachersandchangetheirstatus.

近日,农业部发布《2017年农产品质量安全专项整治方案》,今年将重点开展农药、“瘦肉精”、生鲜乳、兽用抗生素、生猪屠宰、“三鱼两药”、农资打假等7个专项整治行动。后来,张珏流着泪跟记者说:“柏老看的都是疑难病,本身就比较复杂,而他知道自己现在身体不好,生怕看错,因此每个病人问诊时间就特别长。涉事的新丰县练溪托养中心。

媒体人应成为中华文化的笃信者、传承者作者:中央电视台主持人董卿我今天能在这里跟大家一起交流,和我最近主持的《中国诗词大会》《朗读者》两档节目有着密不可分的关系。据测算,2016年全国涉海就业人员3624万人。”张博了解到这家中介公司没有营业执照后,才意识到自己遭遇了所谓的“黑中介”。

公司表示,运用闲置自有资金进行适度的委托理财,可以提高资金使用效率,进一步提高公司整体收益。京沪深等地购房门槛提高之后,大量购房需求向周边外溢和挤出,而且当前房地产政策因城施策,三四线城市继续享受鼓励去库存的政策红利,短期内造成了三四线城市楼市的火爆。(责任编辑:吴起龙)中国网财经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。

这一机器人潜艇可携带一系列声呐及其他部件,以复制各种潜艇的声音和电磁信号。继续好了,说完了飞天咱们在来说说遁地!在的蒙巴萨就有这样一间遁地餐厅。ZhejianghuntsforHongKongtalent(www.ezhejiang.gov.cn)ArecruitmentfairforZhejiangenterprisesattractedmorethan4,300jobhuntersinHongKongonMarch18.Aimingtorecruithigh-calibertalentforZhejiangsmodernserviceindustry,80companies,universitiesandresearchinstitutesfromindustrieslikeeducation,financeandinformationtechnologyofferedmorethan1,100jobsforrecentHongKonggraduates.Preliminaryagreementswerereachedwith910applicantsatthefair.ManyjobseekersqueuedattheboothoffamousbeveragegiantWahaha.WangKai,companyrecruiter,helpedintroducejobinformationandrequirementstohopefulapplicantsatthefair.WanggraduatedfromtheUniversityofHongKong(HKU)andwasemployedbyWahahaatlastyearsfair.IvefeltthevitalityofZhejiangaftersettlinginHangzhou,Wangsaid.IhopemoregraduatesfromHongKongcancreatebusinessesandcareersthere.JinBin,ayoungmanfromJilinprovince,justfinishedstudyinghydraulicengineeringatHKU.JinsaidheisfamiliarwithZhejiangfrompreviouslyvisitingtheprovinceandhasbeenkeepingacloseeyeonZhejiangswatergovernance.TheopportunitiesandfriendlyenvironmentinZhejiangmakeitagoodplaceforworkandlife,Jinsaid.HetalkedwithZhejiangDevelopmentPlanningInstitute,expressinganeagernesstocontributetotheprovincesgreeneconomy.Zhejiangsinternationalizationhasgivenrisetoademandforthosetalentedinforeignlanguages.ZhejiangInternationalStudiesUniversity(ZISU)alsoattendedthefairhopingtoattractprofessionallinguists.HongKongisahighlyinternationalizedcityandishomeofmanyrenowneduniversities,saidrecruiterZhangLin.Wehopetogettheattentionoftalentedpeoplehere.TherecruitmentfairalsolaunchedcooperativeprojectsinHongKongforculturalcreation,tourism,cold-chainlogisticsandscientificresearch.

随着中国逐渐和平崛起,需要加快建设我国国际交流与合作的“智库外交”轨道,培养更多兼具本土情怀和国际视野的新型特色智库,从事国家公共外交与大战略的传播。同时,选取中极、关元、气海等穴位进行艾灸,也是治疗宫寒的好方法。  国民党立委吕玉玲在质询中首先询问,时代力量要求两岸协议监督条例草案的审查,应该邀请外交部联席审查?李大维对此呼应,这是内政委员会的事情,他不会去联席会议。

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.原则上说,强有力的基础设施投入有利于经济的长期增长,但实际上并非所有基础设施支出都符合这一定律。  华春莹说,中方期待同各方合作,使此次高峰论坛取得成功,为一带一路建设注入新的动力。

还有一个问题就是举证难。”对此,作为柏老的忠实粉丝,蔡女士拿着手机不停刷号,她说:“我一定要抢个号,即使不是看病,来看看他也是好的。我们需要保持美中之间交流的深度和广度。