【英文标准名称】:Informationtechnology-Programminglanguages,theirenvironmentsandsystemsoftwareinterfaces-Language-independentdatatypes
【原文标准名称】:信息技术.程序设计语言、其环境和系统软件接口.独立语言数据类型
【标准号】:BSISO/IEC11404-1996
【标准状态】:现行
【国别】:英国
【发布日期】:1997-04-15
【实施或试行日期】:1997-04-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:计算机软件;接口(数据加工);数据传输;句法;数据处理;字符串;PASCAL语言;二进制数字;字符集;合格;信息交流;程序设计;程序设计语言
【英文主题词】:Computersoftware;Dataprocessing;Definitions;Informationinterchange;Informationtechnology;Interfaces(dataprocessing);Programminglanguages;Specification(approval)
【摘要】:ThisInternationalStandardspecifiesthenomenclatureandsharedsemanticsforacollectionofdatatypescommonlyoccurringinprogramminglanguagesandsoftwareinterfaces,referredtoastheLanguage-Independent(LI)Datatypes.Itspecifiesbothprimitivedatatypes,inthesenseofbeingdefinedabinitiowithoutreferencetootherdatatypes,andnon-primitivedatatypes,inthesenseofbeingwhollyorpartlydefinedintermsofotherdatatypes.ThespecificationofdatatypesinmisInternationalStan-dardis"language-independent"inthesensethatthedatatypesspecifiedareclassesofdatatypesofwhichtheactualdatatypesusedinprogramminglanguagesandotherentitiesrequiringtheconceptdatatypeareparticularinstances.ThisInternationalStandardexpresslydistinguishesthreenotionsof"datatype",namely:·theconceptual,orabstract,notionofadatatype,whichcharacterizesthedatatypebyitsnominalvaluesandproperties;·thestructuralnotionofadatatype,whichcharacterizesthedatatypeasaconceptualorganizationofspecificcomponentdatatypeswithspecificfunctionalities;and·theimplementationnotionofadatatype,whichcharacterizesthedatatypebydefiningtherulesforrepresentationofthedatatypeinagivenenvironment.ThisInternationalStandarddefinestheabstractnotionsofmanycommonlyusedprimitiveandnon-primitivedatatypeswhichpossessthestructuralnotionofatomicity.ThisInternationalStandarddoesnotdefineallatomicdatatypes;itdefinesonlythosewhicharecommoninprogramminglanguagesandsoftwareinterfaces.ThisInternationalStandarddefinesstructuralnotionsforthespecificationofothernon-primitivedatatypesandprovidesameansbywhichdatatypesnotdefinedhereincanbedefinedstructurallyintermsoftheLIdatatypesdefinedherein.ThisInternationalStandarddefinesapartialvocabularyforimplementationnotionsofdatatypesandprovidesfor,butdoesnotrequire,theuseofthisvocabularyinthedefinitionofdatatypes.Theprimarypurposeofthisvocabularyistoidentifycommonimplementationnotionsassociatedwithdatatypesandtodistinguishthemfromconceptualnotions.SpecificationsfortheuseofimplementationnotionsaredeemedtobeoutsidethescopeofthisInternationalStandard,whichisconcernedsolelywiththeidentificationanddistinctionofdatatypes.ThisInternationalStandardspecifiestherequiredelementsofmappingsbetweentheLIdatatypesandthedatatypesofsomeotherlanguage.ThisInternationalStandarddoesnotspecifythepreciseformofamapping,butrathertherequiredinformationcontentofamapping.
【中国标准分类号】:L74
【国际标准分类号】:35_060
【页数】:106P.;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforBeadedProcessGlassPipeandFittings
【原文标准名称】:串珠工艺玻璃管和配件的标准规范
【标准号】:ASTMC1509-2002
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Borosilicateglass;Fittings;Glass;Glasstubes;Pipefittings
【摘要】:
【中国标准分类号】:N64
【国际标准分类号】:81_040_30
【页数】:8P;A4
【正文语种】:英语