简介：

简介：

简介：虽然嘻哈文化包括了涂鸦、街舞和饶舌音乐等元素，但其内涵却远远不止这些元素的总和；嘻哈意味着一种创造性的表达方式，主要表达了居住在城市中的少数民族年轻人的心声。历史学家特蕾西亚·罗斯说：“它是边缘化(极度贫困)，机会的丧失(无助)以及非裔美国人和加勒比人的历史、身份认同与社区等文化戒律所带来的压抑相互冲突，融合而成的。”

简介：对街舞文化的起源与发展进行阐述,揭示其特点所在,以期改变人们对街舞认识上的误区,推动我国街舞文化的健康发展,对我国的全民健身工作有所启示.

简介：你会跳街舞吗？知道街舞的英语是什么吗？街舞统称streetdance。Hip-hop是其中最常见的一种。由天台小学舞蹈老师特别为同学们“度身定制”的hip—hopdance,是该校特有的课间操。活泼律动的音乐、动感十足的舞姿,让全校师生都乐在其中。

简介：他对嘻哈文化有信心，他是《中国有嘻哈》节目的明星制作人，他想成为沟通东西方文化的桥梁，他就是——吴亦几。

简介：<正>"春晚"主持人的零点口误在某种程度上淡化了本山大叔《策划》的失败,注意力的转移充其量只是一种掩盖。当然,掩盖之后往往也意味着遗忘,就如同宋祖英失利格莱美,以及凤凰传奇《月亮之上》的抄袭风波,但在某个特定时刻的"失望"却是肯定的。之前传出的《月亮之上》开始旋律以及Rap部分有抄袭英国

简介：

简介：HipHop是年轻人很喜欢的运动、娱乐方式。

简介：众所周知，时尚具有阶梯式传播的特征，时尚信息在相应的范围内，按照人们所处的社会阶层的高低以一定的层次性在社会群体中传播。这符合人们对高阶层向往的心理内因。时尚传播的源头来自于巴黎、米兰、纽约、伦敦等国际时尚高地，通过现代化的媒体向世界各地快速传播。时尚的经营者存在着一套成熟的规则，时尚发布、媒体宣传、专家评论、广泛推广。在一系列的运作方式中，时尚的制造者们通过科技、观念、文化三个领域来引导流行。

简介：女巫Whizzy把兔子Roley商店里的商品标签部变没了。帮Roley把这些商品标签再写一遍。

简介：Abiomimetichipjointsimulatorthatcanbeusedtoevaluatetheoutcomeofthecementedtotalhipreplacementhasbeendesigned,manufacturedandevaluated.Thesimulatorproducesmotionintheextension/flexionplane,withasockettorotateinternal/externally.Atthesametimeadynamicloadingcycleisapplied.Avalidationtestwasperformedonacementedfemoralstemwithinanovelcompositefemur.Thebonequalityhasastrongeffectonthestemmigrationandontheintegrityoftheinterfaces.Themigrationofthestemisacombinationof3-Dtranslationandrotationofthestem.Underthesameloadingconditions,weakboneallowsmorestemmigrationthanstrongbone.Thereisagreatdecreaseinthestrengthofthestem-cementinterfaceafterthedynamictest,andtheweakbonecompositeexhibitedagreaterreductionininterfacialstrengththanthestrongbonecomposite.Thedecreaseoftheinterfacialstrengthindicatesthattheprimarybondingbetweenthestemandthecementmantlehaddeterioratedandtheintegrityofstem-cementinterfacewasdamaged.Thestudydemonstratesthevalueofusingahipjointsimulatortoinvestigatestemmigrationandinterfaceintegritywithinthecementedhipreplacement,suggestingthatmethodcanbeusedforinvitroevaluationofthebiomaterialsusedinthecementedhipreplacements.

简介：Objective:Toevaluatetheoutcomeoftotalhiparthroplasty(THA)withcementlesscupsandfemoralheadautograftsforpatientswithhipdysplasiaandosteoarthritis.Methods:Between1995and2002,weimplanted23cementlesscupsandfemoralheadautograftsin20patientswithhipdysplasiaandosteoarthritis.Inthisstudy,aretrospectivestudywasmadeon21hipsin20patients(18femalesand2males,aged50yearsonanaverage)withdevelopmentalhipdysplasiatreatedbyTHAwithacementlesscupandfemoralheadautograft.Theacetabularcupwasplacedatthelevelofthetrueacetabuinmandallthepatientsrequiredautogenousfemoralheadgraftsduetoacetabulardeficiency.Theaveragerateoftheacetabularcupcoveredbythefemoralheadautograftwas31%(rangingfrom10%to45%).Eighthipshadlessthan25%cupcoverageandthirteenbetween25%and50%.Theaveragefollow-upperiodwas4.7years(range,1-8years).ThereplacingoutcomewasevaluatedbymodifiedHarrishipscore.Preoperativeandfollow-upradiographsweremade.Results:Alltheautograftswereunitedtothehostbones.Noautograftwascollapsedornocomponentfromthehipwasloosedinallthepatients.AccordingtothemodifiedHarrishipscore,theaveragehipscoreincreasedfrom46beforeoperationto89atthefinalreview.Beforeoperation,theleg-lengthdiscrepancywasgreaterthan2cminallthepatientsexceptonewithbilateralhipdysplasia.Afteroperation,only2outof20patientshadaleg-lengthdiscrepancygreaterthan1cm.Threehipsshowedminorboneresorptioninthelateralportionofthegraft,whichdidnotsupportthecup.ThreehipsdevelopedGrade1BrookerheterotopicossificationandonedevelopedGrade2.Conclusions:THAwithacementlesscupandafemoralheadautograftforpatientswithosteoarthritisresultedfromhipdysplasiacanresultinfavorableoutcomes.Thismethodcanprovidereliableacetabularfixationandrestoretheacetabularbonestockinpatientswithdevelopmentalhipdysplasiawhenthe

简介：ＴＨＥＡＰＰＬＩＥＤＳＴＵＤＹＯＦＴＨＥＴＯＴＡＬＨＩＰＲＥＰＬＡＣＥＭＥＮＴＦＯＲＴＨＥＡＤＵＬＴ＇ＳＣＯＮＧＥＮＩＴＡＬＤＩＳＬＯＣＡＴＩＯＮＯＦＴＨＥＨＩＰＡＴＴＨＥＰＲＩＭＡＲＹＡＣＥＴＡＢＵＬＵＭＴＨＥＡＰＰＬＩＥＤＳＴＵＤＹＯＦＴＨＥＴＯ...

简介：Militarytacticalnetworkisoneofthemostimportantapplicationsofadhocnetwork.Currentlytheexistingroutingprotocolsareputforwardbasedonthesimpleanduniversalnetworkmodelwhichhastheabilityofmulti-hoproutingbutcannotworkefficientlyinthespecialmilitaryapplications.Thenarrowbandwidthandlimitedenergyofthewirelessnetworkmakegeneralroutingprotocolsseemtobemoreredundant.Inordertosatisfymilitaryneedsproperly,thislettermakesadetailedanalysisofphysicalnodesandtrafficdistributioninmilitarynetwork,usescross-layerdesignconceptforreference,combinestrafficcharacteristicofapplicationlayerwithroutingprotocoldesign.Itcategorizedroutingproblemascrucialroutesandnon-crucialrouteswhichadoptedseparatemaintenancemethods.Itnotonlyrealizesbasictransmissionfunctionbutalsoworksefficiently.Itisquitefitformilitaryapplication.

简介：无

简介：客观：为王牌探索起作用的指示和主要全部的新潮的关节造形术的起作用的方法平坦骨折并且观察临床的药品effect.Methods：我们回顾地总结了并且分析创伤的条件，破裂类型，复杂并发症，起作用的时间，起作用的技术，和11patients的短期的药品效果(10男性和1女性，与42的吝啬的年龄。4年)与王牌平坦骨折经历了主要全部的新潮的关节造形术。结果；病人被跟随在上面为6-45月(吝啬的=28月)。他们手术后的新潮的关节的普通哈里斯分数是78。结论：指示的Understrict控制，有平坦骨折可以经历的王牌的病人主要全部的新潮的关节造形术，而是稳定的王牌平坦部件应该被做。

简介：Objective:Toinvestigatetheinfluenceofhipandpelvicfracture,especiallyacetabularfracturecomplicatedbysciaticnerveinjuryonclinicalfeaturesandprognosisofsciaticnerveinjury.Methods:FromJanuary1987toJanuary2000,17patients(14maleand3female)whohadhipandpelvicfracturescomplicatedbysciaticnerveinjuryweretreatedwithoperativereductionandinternalfixationandfollowedupfrom10monthsto5years.Theaverageagewas38years(ranging23-56years).Theleftextremitieswereinvolvedin11patientsandtherightin6.Twelvepatientsunderwentprimaryexplorationandneurolysisand5patientsunderwentsecondaryoperation.Results:Preoperatively,8patientsweretreatedwithlargedosesoforalnarcoticstocontroltheirseveresciaticpain.Threeofthe8patientsunderwentpatient-controlledanalgesiaandepiduralanalgesia.Afteroperation,excellentandgoodratesofreductionandfunctionalrecoveryofsciaticnervewere94.1%and88%respectively.Fourpatientsstillhadsciaticpainand2patientsfailedtorecover.Sciaticnervefunctionimprovedwithin3-6monthsaftersurgeryin11patients.Conclusions:Hipandpelvicfracturescanresultinsciaticnerveinjury,especiallycommonperonealnerveinjuryandprognosisispoor.Openreductionandinternalfixationcombinedwithnerveexplorationandneurolysisshouldbeusedasearlyaspossibleforseveresciaticpain.

简介：Objective:tostudytheclinicalinfluenceoffemoralqualityoncementlesshipreplacementandtoevaluatecorticalindex(CI)forfemoralqualityinordertoguideprosthesischoiceandrehabilitation.Methods:forth-ninecasesofcementlesshipreplacementwerefollowedupforaverage3.5years,42ofwhonhadX-rayfilmsonpreoperationoroperationday.Results:Harrisscoresandpatients'satisfactionwerelowbutpainwassignificantandprolongedwhencorticalindiceswerelow.Conclusions:CIisareliablesemi-quantityparameterforclinicalevaluationoffemoralquality.Osteoporosispatientspredisposetothighpain.Lagforfull-weightloadingandavoidancefortorsionmotioncancontributetolesspainwhenCI≤2.2.

简介：<正>AlternativemusicismakingahomeinChinaaslocalmusiciansputChi-neselyricstomodernwesternmusicstyles.China’syoungtappetsandtockerssoundgood,and,asMarkGodfreyfindsout,theylookthepart,too.