【英文标准名称】:Standarddataelementtypeswithassociatedclassificationschemeforelectriccomponents-Part2:EXPRESSdictionaryschema
【原文标准名称】:电气元器件标准数据元素类型和相关分类模式.第2部分:EXPRESS词典模式
【标准号】:IEC61360-2-2002
【标准状态】:作废
【国别】:国际
【发布日期】:2002-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC3D
【标准类型】:()
【标准水平】:()
【中文主题词】:分类系统;词典;英语;电气元件;电气工程;定义;定义;数据模型;表明;代码;数据记录
【英文主题词】:Classificationsystems;Codes;Datamodels;Datarecords;Definitions;Dictionaries;Directories;Electricalcomponents;Electricalengineering;Englishlanguage;EXPRESS
【摘要】:ThispartofIEC61360presentsacommonISO/IECdictionaryschemabasedontheintersectionofthescopesoftwobasestandardsIEC61360-1andISO13584-42.ThepresentedEXPRESSmodelrepresentsacommonformalmodelforthetwostandardsandfacilitatesaharmonizationofboth.TheIEC61360-2standardformsthemasterdocument.ISO13584-42containsacopyoftheIEC61360-2EXPRESSmodelinaninformativeannexThisstandardprovidesaformalmodelfordataaccordingtothescopeasgiveninthepublicationscitedabove,andthusprovidesameansforthecomputer-sensiblerepresentationandexchangeofsuchdata.TheintentionistoprovideacommoninformationmodelfortheworkofIECTC3DandISOTC184/SC4,thusallowingfortheimplementationofdictionarysystemsdealingwithdatadeliveredaccordingtoeitherofthestandardselaboratedbybothcommittees.TwoschemasareprovidedinthispartofIEC61360definingthetwooptionsthatmaybeselectedforanimplementation.Eachoftheseoptionsisreferredtoasaconformanceclass.·TheISO13584_IEC61360_dictionary_schemaprovidesformodellingandexchangingtechnicaldataelementtypeswithassociatedclassificationschemeusedinthedataelementtypedefinitions.Itconstitutesconformanceclass1ofthispartofIEC61360.·TheISO13584_IEC61360_language_resource_schemaprovidesresourcesforpermittingstringsinvariouslanguages.Ithasbeenextractedfromthedictionaryschema,sinceitcouldbeusedinotherschemata.Itislargelybasedonthesupport_resource_schemafromISO10303-41:STEPpart41:"FundamentalsofProductDescriptionandSupport",andcanbeseenasanextensiontothat.Itallowsfortheusageofonespecificlanguagethroughoutanexchangecontext(PhysicalFile)withouttheoverheadintroducedwhenmultiplelanguagesareused.WhenusedtogetherwithISO10303-21,eachschemadefinesonesingleexchangeformat.Theexchangeformatdefinedbyconformanceclass1isfullycompatiblewiththeISO13584series.note:2Allthenamesthatstandforitems,formallydefinedwithintheEXPRESSmodel,arepresentedinboldface.
【中国标准分类号】:L04
【国际标准分类号】:29_100_20;31_020
【页数】:86P.;A4
【正文语种】:英语