【英文标准名称】:Informationtechnology-Computergraphicsandimageprocessing-Presentationenvironmentformultimediaobjects(PREMO)-FundamentalsofPREMO
【原文标准名称】:信息技术.计算机制图学和图象处理.多媒体目标展示环境(PREMO).PREMO的基本原理
【标准号】:BSISO/IEC14478-1-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-03-15
【实施或试行日期】:1999-03-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:多媒体;数学模型;图解表示法;流程图;识别方法;数学计算;计算机应用;目标(数据处理);视频信号;语义学;规范(验收);图形表示;延伸性;接口;编码(数据转换);代码表示;声信号;图形显示字符;数据布置;分类系统;数据处理;计算机制图;信息交流
【英文主题词】:Computergraphics;Dataconversion;Dataprocessing;Definition;Definitions;Encoding;Imageprocessing;Informationinterchange;Informationtechnology;Multimedia
【摘要】:ISO/IEC14478specifiestechniquesforsupportinginteractivesingle,andmultiplemediaapplicationswhichrecognizeandem-phasizetheinterrelationshipsamonguserinterfaces,multimediaapplications,andmultimediainformationinterchange.ISO/IEC14478definesaflexibleenvironmenttoencompassmodularfunctionalityandisextensiblethroughthecreationoffu-turecomponents,bothwithinandoutsideofstandardscommittees.Itsupportsawiderangeofmultimediaapplicationsinacon-sistentway,fromsimpledrawingsuptofullmotionvideo,sound,andvirtualrealityenvironments.ISO/IEC14478isindependentofanyparticularimplementationlanguage,developmentenvironment,orexecutionenvironment.Forintegrationintoaprogrammingenvironment,thestandardshallbeembeddedinasystemdependentinterfacefollowingtheparticularconventionsofthatenvironment.ISO/IEC14478providesversatilepackagingtechniquesbeyondthecapabilitiesofmonolithicsingle-mediasystems.Thisallowsrearrangingandextendingfunctionalitytosatisfyrequirementsspecifictopartic-ularapplicationareas.ISO/IEC14478isdevelopedincrementallywithparts1through4initiallyavailable.OthercomponentsareexpectedtobestandardizedbyISO/IECJTC1SC24orothersubcommittees.ISO/IEC14478providesaframeworkwithinwhichapplication-definedwaysofinteractingwiththeenvironmentcanbeinte-grated.Methodsforthedefinition,presentation,andmanipulationofbothinputandoutputobjectsaredescribed.Application-suppliedstructuringofobjectsisalsoallowedandcan,forexample,beusedasabasisforthedevelopmentoftoolkitsforthecreationof,presentationof,andinteractionwithmultimediaandhyper-mediadocumentsandproductmodeldata.ISO/IEC14478isabletosupportconstruction,presentation,andinteractionwithmultiplesimultaneousinputsandoutputsusingmultiplemedia.Severalsuchactivitiesmayoccursimultaneously,andtheapplicationprogramcanadaptitsbehaviourtomakebestuseofthecapabilitiesofitsenvironment.ISO/IEC14478includesinterfacesforexternalstorage,retrievalandinterchangeofmultimediaobjects.
【中国标准分类号】:L81
【国际标准分类号】:33_160_60;35_140
【页数】:46P;A4
【正文语种】:英语


【英文标准名称】:LaboratoryMethodofTestingAirCirculatorFansforRating
【原文标准名称】:测定空气循环电扇额定值的实验室方法
【标准号】:ANSI/AMCA230-2007
【标准状态】:作废
【国别】:美国
【发布日期】:2007-09-19
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:AMCA
【标准类型】:()
【标准水平】:()
【中文主题词】:空调;循环器;测试;通风机
【英文主题词】:Airconditioning;Circulators;Testing;Ventilators
【摘要】:Thepurposeofthisstandardistoestablishuniformmethodsforlaboratorytestingofaircirculatingfanstodetermineperformanceintermsofthrustforrating,certificationorguaranteepurposes.Thisstandardmaybeusedasthebasisfortestingaircirculatingfanheads,ceilingfans,boxfans,tablefans,andportablepersonnelcoolers,orotheraircirculatingdeviceswhenairisusedasthetestgas.Blowers,exhausters,compressors,positivedisplacementmachines,andpositivepressureventilatorsarenotwithinthescopeofthisstandard.
【中国标准分类号】:J72
【国际标准分类号】:23_120
【页数】:
【正文语种】:英语