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  • 简介:1.IntroductionLetXbeavectorspace,Ybeatopologicalvectorspace,Zbealocallyconvexspace,andletthetopologicaldualspacesofYandZbedenotedbyY*andZ*,respectively.LetCbeapointedconvexconeinYandKbeaclosedconvexpointedconeinZ.ThedualconesofCandKaredefinedasrespec...

  • 标签: CONVEX vector optimization Lagrange MULTIPLIER SADDLE
  • 简介:Inthispaper,theinfluencedepthsofalllevelsofwindpowerproducedwavesarereckonedaccordingtothemeasuredswayingdegreewhenasubmarinemeetswithaforce11strongtropicalstormandhastosubmerge;Thentheminimumsubmergencedepthisgivenwhenasubmarineisfacedwithweathersystemswithforce≥6windandtheswayingdegreeoflessthan12degreeisassuredasreferenceforasubmarineworkingandsailinginbigstrongwindsandwaves.

  • 标签: 最小潜水深度 潜艇 台风 摇动程度 天气系统 海洋气象学
  • 简介:LetAandBbeC^*-algebras,SupposethatKisthealgebraofallcompactoperatoraonaseperableHilbertspace,andαisanactiononthestablealgebraκ×AinducedbySU(∞).ItisprovedthatifAisα-invariantstableisomorphictoB1thenthereisa^*-isomorphismbetweenAandB.AnanalogousresultisobtainedbyconsideringOn×κ×Aintheplaceofκ×A,whereOnistheCuntsalgebra(3≤n<∞)。

  • 标签: 稳定代数 昆兹代数 不变量 群序列
  • 简介:matter是一个常用词。它既可以用作名词,又可以用作动词,还可以构成一些短语和习语。现将其有关用法归纳如下:

  • 标签: 常用词 习语 动词 用法归纳 名词 短语
  • 简介:重点词汇1.beginv.(began)开始I’llbeginwheneveryou’reready.你什么时候准备好我就开始。常用结构:begintodosth与begindoingsth一般来说,begintodo和begindoing可以互换。2.heavilyadv.在很大程度上;大量地Myfathersmokesheavily.我父亲抽烟很凶。注意:形容雨、雪下得大用heavily或hard。Itrainedheavily,sohedidn’tgotoworkyesterday.雨下得很大,因此他昨天没去上班。

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  • 简介:摘要时间状语从句是初中英语学习的重点,也是必考点,而when与while引导的时间状语从句是八年级学生学习的重难点,本文从状语从句的含义入手,通过简单、通俗、易懂的实例,从三个方面对when与while引导的时间状语从句作了区分和比较。

  • 标签: 时间状语从句比较区别
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  • 简介:Currentliteraturesassumethataconsumer’swillingtopay(WTP)forabundleisequaltothesumofhisorherseparatereservationpricesforthecomponentgoodsandconcludesthatmixedbundlingissuperiortopurecomponentsinamonopolymarket.However,fullmixedbundlingisadiscountconductinordertoattractmoreconsumers,andthepriceofthebundlemustbelowerthanthesumofthepricesoftwoproducts,whichmustbeconsideredinaconsumers’WTPforthebundle.Then,ifconsumers’reservationpricesareheterogeneousandsubjecttotheuniformdistribution,wecandrawoppositeconclusions:FullmixedbundlingisdisadvantageoustofirmswhenStackelbergpricing.Theprofitunderfullmixedbundlingislessthanthatunderpurecomponents.

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  • 简介:TheconditionofourEarthischanging,anditischangingduetohumandominance.Werealisedthatourinfluenceonbiotaisoverwhelming,buildinguptoamassextinction,thesixthinthehistoryoflifeonEarth.Thelaterthisrealisationisturnedintoactiontodecreaseourfatalinfluence,theworsearethechancesofthesurvivalofthehumanrace.Howcanwefail?Oneplausiblescenarioisthatthiscanhappenviathelossofecologicalservices

  • 标签: 生态学家 旅行 生态系统服务 发生变化 生态服务 生物群
  • 简介:重点单词1.beginv.(began)开始I’llbeginwheneveryou’reready.你什么时候准备好我就开始。常用结构:begintodosth与begindoingsth一般来说,begintodo和begindoing可以互换。2.heavilyadv.在很大程度上;大量地Myfathersmokesheavily.我父亲抽烟很凶。注意:形容雨雪下得大用heavily或hard。Itrainedheavily,sohedidn’tgotoworkyesterday.雨下得很大,因此他昨天没去上班。拓展heavyadj.重的Peterisheavierthanhissister.彼得比他妹妹重。3.strangeadj.奇特的;奇怪的

  • 标签: DOING YESTERDAY BEGIN heavily STRANGE whenever
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