基本信息
标准名称: | 润滑脂灰分测定法 |
中标分类: |
石油 >>
石油产品 >>
润滑脂 |
替代情况: | SY 2703-82 |
发布日期: | 1900-01-01 |
实施日期: | 1992-05-20 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
出版日期: | 1900-01-01 |
页数: | 2页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 石油 石油产品 润滑脂
【英文标准名称】:Informationtechnology—SGMLapplications—Topicmaps
【原文标准名称】:信息技术.SGML应用.主题图
【标准号】:ANSIISO/IEC13250-2003(R2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003-05-15
【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】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:NOTE1ThisclausedefinesthescopeofthisInternationalStandard.Itshouldnotbeconfusedwiththeconceptof“scope”definedin3.16,whichonlyappliesinthecontextoftopicmaps.Topicmapsenablemultiple,concurrentviewsofsetsofinformationobjects.Thestructuralnatureoftheseviewsisunconstrained;theymayreflectanobjectorientedapproach,ortheymayberelational,hierarchical,ordered,unordered,oranycombinationoftheforegoing.Moreover,anunlimitednumberoftopicmapsmaybeoverlaidonagivensetofinformationresources.Topicmapscanbeused:—toqualifythecontentand/ordatacontainedininformationobjectsastopicstoenablenavigationaltoolssuchasindexes,cross-references,citationsystems,orglossaries;—tolinktopicstogetherinsuchawayastoenablenavigationbetweenthem.Thiscapabilitycanbeusedforvirtualdocumentassembly,andforcreatingthesaurus-likeinterfacestocorpora,knowledgebases,etc.;—tofilteraninformationsettocreateviewsadaptedtospecificusersorpurposes.Forexample,suchfilteringcanaidinthemanagementofmultilingualdocuments,managementofaccessmodesdependingonsecuritycriteria,deliveryofpartialviewsdependingonuserprofilesand/orknowledgedomains,etc.;—tostructureunstructuredinformationobjects,ortofacilitatethecreationoftopic-orienteduserinterfacesthatprovidetheeffectofmergingunstructuredinformationbaseswithstructuredones.Theoverlaymechanismoftopicmapscanbeconsideredasakindofexternalmarkupmechanism,inthesensethatanarbitrarystructureisimposedontheinformationwithoutalteringitsoriginalform.ThisInternationalStandarddoesnotrequireordisallowtheuseofanyschemeforaddressinginformationobjects.ExceptfortherequirementthattopicmapdocumentsthemselvesbeexpressedusingSGML(orWebSGML)andHyTime,usingthesyntaxdescribedherein,neitherdoesitrequireordisallowtheuseofanynotationusedtoexpressinformation.
【中国标准分类号】:L74
【国际标准分类号】:35_240_30
【页数】:48P.;A4
【正文语种】:英语