SJ 2780-1987 压电陶瓷蜂鸣片总技术条件
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基本信息
标准名称: | 压电陶瓷蜂鸣片总技术条件 |
英文名称: | Generic specification for piezoelectric ceramic buzzer chips |
中标分类: | 电子元器件与信息技术 >> 电子元件 >> 石英晶体、压电元件 |
替代情况: | 被SJ/T 10709-96代替 |
发布日期: | |
实施日期: | 1987-10-01 |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 11页 |
适用范围
没有内容
前言
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目录
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引用标准
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所属分类: 电子元器件与信息技术 电子元件 石英晶体 压电元件
下载地址: 点击此处下载
【英文标准名称】:Resilientfloorcoverings-Polyvinylchloridefloorcoveringsonfilledfibrousbacking-Specification.
【原文标准名称】:弹性地板覆盖物.背衬填充织物的聚氯乙烯地板覆盖物
【标准号】:NFP62-306-2002
【标准状态】:现行
【国别】:法国
【发布日期】:2002-02-01
【实施或试行日期】:2002-02-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:Q18
【国际标准分类号】:97_150
【页数】:13P;A4
【正文语种】:其他
【英文标准名称】:Transportinformationandcontrolsystems-Referencemodelarchitecture(s)fortheTICSsector-Part2:CoreTICSreferencearchitecture
【原文标准名称】:交通信息与控制系统TICS体系框架模型第2部分:芯式TICS参考结构
【标准号】:ISO/TR14813-2-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC204
【标准类型】:()
【标准水平】:()
【中文主题词】:参考模型;道路运输;运输工具(施工工作);情报系统;交通控制系统;警告装置;信号系统;规范(验收);定义
【英文主题词】:Definition;Definitions;Informationsystems;Referencemodel;Roadtransport;Signalsystems;Specification(approval);Trafficcontrolsystem;Transportfacilities(constructionworks);Warningdevices
【摘要】:Thearchitectureofaninformationandcontrolsystemmergeshardwareandsoftwareconsiderationsintoacoordinatedandintegratedsystemview.Thesystemarchitectureisahighlevelabstraction,ormodel,ofthesystem.Asystemarchitectureshouldembracebothtoday'sapplicationsandtheapplicationsthatareexpectedfnthefuture.Architecturebeginswiththedefinitionoftheconceptualservices(e.g.Part1-TICSfundamentalservices).Thereareseveralidentifiablestagesofsystemarchitecturedevelopment:—1.Referencearchitecture—2.Logicalarchitecture—3.PhysicalarchitectureAreferencearchitectureisthefirstofallarchitectures.Itisaconcisegenericframeworkwhichguidesthedevelopmentofmoreconcretesystemarchitectures.Itislargeenoughthatdistinctconceptsarenotmergedoutofnecessityandsmallenoughthatitdoesnotbecomeunwieldy.AmostsignificantexampleofareferencearchitectureininformationsystemsistheReferenceModelofOpenSystemsInterconnection(oftencalledthesevenlayermodel)developedbyISOinthe1970's.Thismodelhasunderpinnedthedevelopmentofallmoderncomputernetworks,allowingservicessuchasglobalnetworking,ofwhichtheprimeexampleistheInternet,tobecomeareality.Areferencearchitectureisgenericandnon-prescriptiveandcapturestheconceptsofthesystem.Alogicalarchitectureelaboratestheconceptualbehaviour,andinsodoingitprovidesmoredetailaboutthemodularity.Aphysicalarchitectureisreachedwhentheactualdistributionofthesystemmodulesisdefined,thusleadingtoimportantimplicationsforcommunications.Thereisnofirmdemarcationbetweenareferencearchitectureandalogicalarchitecture.Thustheessenceofbehaviourandmodularityispresentinareferencearchitecture.TheTICSReferenceArchitecturedevelopedbyWG1showsimportantinter-relationshipsthatariseintheprovisionoftheservicesofthesector.HowevertheTICSReferenceArchitectureismoreabstractthan,forexample,thelogicalarchitectureoftheUSNationalArchitecture.ItisenvisionedthattheTICSReferenceArchitecturewillbeusedbytheTC204WorkingGroupstodeveloptheirownlogicalandphysicalarchitecturesinacohesivemanner.SomeTICSFundamentalServicesarealreadywelldevelopedbytheindustry,whileothersarelessmature.ThereforetheTICSReferenceArchitecturedoesnothaveauniformgranularityacrossallservices.Thischaracteristicisadirectresultoftheforementionedrequirementthatarchitectureembracetheapplicationsthatareintendedinthefuture.Thissuggestsoneofthewaysinwhichthearchitecturewillundergochangeinthefuture.Architecturesmaypresentonlystaticcharacteristicsorbothstaticanddynamiccharacteristics.Dynamiccharacteristicsmaybeseenasbelongingsolelytothedesign/implementationstagesofsystemdevelopment.Howeverbyincludingdynamiccharacteristicsatthereferencearchitecturestageonegainsimportantinsightsintothestaticarchitecture.Thustwoorthogonalviewsofarchitecturearepresented:—1.staticrelationshipview(classdiagram)—2.dynamicinteractiveview(sequencediagram)ThispartofISO/TR14813developsacorereferencearchitecture.ThestaticscopeisdeterminedbyderivingthesystemboundaryandtheusecasesfromananalysisoftheTICSfundamentalservices(part1ofISO/TR14813).TheCoreReferenceArchitectureisareferenceforthedevelopmentofnationalarchitectures.Part3ofISO/TR14813elaboratesthecorereferencearchitecturebyrefinementoftwoorthogonalviews.TheelaborationcallsupondomainexpertisethatwouldbeprovidedbyotherTC204WorkingGroupsinthedevelopmentofISOstandardsorbynationalgroupsdevelopingnationalarchitecturesandstandards.Thecorereferencearchitectureisdescribedinclauses5to8.Clause5introducesthearchitectureatahighlyabstractl
【中国标准分类号】:R04
【国际标准分类号】:35_240_60
【页数】:66P;A4
【正文语种】:英语
【原文标准名称】:弹性地板覆盖物.背衬填充织物的聚氯乙烯地板覆盖物
【标准号】:NFP62-306-2002
【标准状态】:现行
【国别】:法国
【发布日期】:2002-02-01
【实施或试行日期】:2002-02-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:Q18
【国际标准分类号】:97_150
【页数】:13P;A4
【正文语种】:其他
【英文标准名称】:Transportinformationandcontrolsystems-Referencemodelarchitecture(s)fortheTICSsector-Part2:CoreTICSreferencearchitecture
【原文标准名称】:交通信息与控制系统TICS体系框架模型第2部分:芯式TICS参考结构
【标准号】:ISO/TR14813-2-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC204
【标准类型】:()
【标准水平】:()
【中文主题词】:参考模型;道路运输;运输工具(施工工作);情报系统;交通控制系统;警告装置;信号系统;规范(验收);定义
【英文主题词】:Definition;Definitions;Informationsystems;Referencemodel;Roadtransport;Signalsystems;Specification(approval);Trafficcontrolsystem;Transportfacilities(constructionworks);Warningdevices
【摘要】:Thearchitectureofaninformationandcontrolsystemmergeshardwareandsoftwareconsiderationsintoacoordinatedandintegratedsystemview.Thesystemarchitectureisahighlevelabstraction,ormodel,ofthesystem.Asystemarchitectureshouldembracebothtoday'sapplicationsandtheapplicationsthatareexpectedfnthefuture.Architecturebeginswiththedefinitionoftheconceptualservices(e.g.Part1-TICSfundamentalservices).Thereareseveralidentifiablestagesofsystemarchitecturedevelopment:—1.Referencearchitecture—2.Logicalarchitecture—3.PhysicalarchitectureAreferencearchitectureisthefirstofallarchitectures.Itisaconcisegenericframeworkwhichguidesthedevelopmentofmoreconcretesystemarchitectures.Itislargeenoughthatdistinctconceptsarenotmergedoutofnecessityandsmallenoughthatitdoesnotbecomeunwieldy.AmostsignificantexampleofareferencearchitectureininformationsystemsistheReferenceModelofOpenSystemsInterconnection(oftencalledthesevenlayermodel)developedbyISOinthe1970's.Thismodelhasunderpinnedthedevelopmentofallmoderncomputernetworks,allowingservicessuchasglobalnetworking,ofwhichtheprimeexampleistheInternet,tobecomeareality.Areferencearchitectureisgenericandnon-prescriptiveandcapturestheconceptsofthesystem.Alogicalarchitectureelaboratestheconceptualbehaviour,andinsodoingitprovidesmoredetailaboutthemodularity.Aphysicalarchitectureisreachedwhentheactualdistributionofthesystemmodulesisdefined,thusleadingtoimportantimplicationsforcommunications.Thereisnofirmdemarcationbetweenareferencearchitectureandalogicalarchitecture.Thustheessenceofbehaviourandmodularityispresentinareferencearchitecture.TheTICSReferenceArchitecturedevelopedbyWG1showsimportantinter-relationshipsthatariseintheprovisionoftheservicesofthesector.HowevertheTICSReferenceArchitectureismoreabstractthan,forexample,thelogicalarchitectureoftheUSNationalArchitecture.ItisenvisionedthattheTICSReferenceArchitecturewillbeusedbytheTC204WorkingGroupstodeveloptheirownlogicalandphysicalarchitecturesinacohesivemanner.SomeTICSFundamentalServicesarealreadywelldevelopedbytheindustry,whileothersarelessmature.ThereforetheTICSReferenceArchitecturedoesnothaveauniformgranularityacrossallservices.Thischaracteristicisadirectresultoftheforementionedrequirementthatarchitectureembracetheapplicationsthatareintendedinthefuture.Thissuggestsoneofthewaysinwhichthearchitecturewillundergochangeinthefuture.Architecturesmaypresentonlystaticcharacteristicsorbothstaticanddynamiccharacteristics.Dynamiccharacteristicsmaybeseenasbelongingsolelytothedesign/implementationstagesofsystemdevelopment.Howeverbyincludingdynamiccharacteristicsatthereferencearchitecturestageonegainsimportantinsightsintothestaticarchitecture.Thustwoorthogonalviewsofarchitecturearepresented:—1.staticrelationshipview(classdiagram)—2.dynamicinteractiveview(sequencediagram)ThispartofISO/TR14813developsacorereferencearchitecture.ThestaticscopeisdeterminedbyderivingthesystemboundaryandtheusecasesfromananalysisoftheTICSfundamentalservices(part1ofISO/TR14813).TheCoreReferenceArchitectureisareferenceforthedevelopmentofnationalarchitectures.Part3ofISO/TR14813elaboratesthecorereferencearchitecturebyrefinementoftwoorthogonalviews.TheelaborationcallsupondomainexpertisethatwouldbeprovidedbyotherTC204WorkingGroupsinthedevelopmentofISOstandardsorbynationalgroupsdevelopingnationalarchitecturesandstandards.Thecorereferencearchitectureisdescribedinclauses5to8.Clause5introducesthearchitectureatahighlyabstractl
【中国标准分类号】:R04
【国际标准分类号】:35_240_60
【页数】:66P;A4
【正文语种】:英语