【英文标准名称】:Informationtechnology-CDIFframework-Part1:Overview
【原文标准名称】:信息技术.CDIF框架.第1部分:概况
【标准号】:ISO/IEC15474-1-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-10
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:数据库语言;概况;铸模;定义;CDIF;信息交换;数据格式;数据传送;信息技术;数据处理
【英文主题词】:CDIF;Dataformats;Dataprocessing;Datatransfer;Databaselanguages;Definition;Definitions;Informationinterchange;Informationtechnology;Modelling;Overviews
【摘要】:TheCDIFfamilyofstandardsisprimarilydesignedtobeusedasadescriptionofamechanismfortransferringinformationbetweenmodellingtools.ItfacilitatesasuccessfultransferwhentheauthorsoftheimportingandexportingtoolshavenothingincommonexceptanagreementtoconformtoCDIF.TheCDIFfamilyofstandardsincludesasemanticmetamodelandatransferformatdefinition.Italsoincludesthespecificationofameta-metamodelandassociatedrulesthatdefineaframeworkforthesemanticmetamodelandthetransferformat.ThelanguagethatisdefinedforthetransferformatalsohasapplicabilityasagenerallanguageforImport/Exportforrepositories.TheCDIFsemanticmetamodelalsohasapplicabilityasthebasisofstandarddefinitionsforuseinrepositories.ThediagraminFigure1depictsthevariousstandardsthatcomprisetheCDIFfamilyofstandards.TheshadedboxdepictsthisStandardanditspositionintheCDIFfamilyofstandards.ThisdocumentintroducestheCDIFfamilyofstandardsanddefinesthetermscommontotheCDIFfamilyofstandards.Thisdocumentisintendedtobeusedbyanyonewishingtounderstandand/oruseCDIF.ThisdocumentprovidesanintroductiontotheentireCDIFfamilyofstandards.Itissuitablefor:—ThoseevaluatingCDIF,—ThosewhowishtounderstandtheprinciplesandconceptsofaCDIFtransfer,and—Thosedevelopingimportersandexporters.Thisdocument,ISO/IEC15474-1:2002,Informationtechnology-CDIFframework-Part1:Overview,andtheFrameworkdocumentISO/IEC15474-2:2002,Informationtechnology-CDIFframework-Part2:Modellingandextensibility,shouldbereadfirstwheninitiallyexploringCDIFandbeforeattemptingtoreadotherdocumentsintheCDIFfamilyofstandards.Whiletherearenospecificprerequisitesforreadingthisdocument,itwillbehelpfulforthereadertohavefamiliaritywiththefollowing:—Entity-Relationship-Attributemodelling;—Modelling(CASE)tools;—Informationrepositories;—Datadictionaries;—Multiplemeta-layermodelling.
【中国标准分类号】:L70
【国际标准分类号】:35_080
【页数】:17P;A4
【正文语种】:英语


Product Code:SAE AMS4201
Title:Aluminum Alloy Plate 6.2Zn - 2.3Cu - 2.2Mg - 0.12Zr (7050-T7651) Solution Heat Treated, Stress Relieved, and Overaged
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers an aluminum alloy in the form of plate.