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1、TECHNICALREPORTISA–TR77.81.05–1995StandardSoftwareInterfacesforCEMSRelativeAccuracyTestAuditDataApproved31December1996TMISATheInstrumentation,–Systems,andAutomationSocietyANSI/ISATR77.81.05-1995StandardSoftwareInterfacesforCEMSRelativeAccuracyTestAuditDataISB
2、N:1-55617-571-XCopyright©1995bytheInstrumentSocietyofAmerica.Allrightsreserved.PrintedintheUnitedStatesofAmerica.Nopartofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmittedinanyformorbyanymeans(electronic,mechanical,photocopying,recording,or
3、otherwise),withoutthepriorwrittenpermissionofthepublisher.ISA67AlexanderDriveP.O.Box12277ResearchTrianglePark,NorthCarolina27709PrefaceThispreface,aswellasallfootnotesandannexes,isincludedforinformationalpurposesandisnotpartofANSI/ISA-TR77.81.05-1995.Thistech
4、nicalreporthasbeenpreparedaspartoftheserviceofISA,theinternationalsocietyformeasurementandcontrol,towardagoalofuniformityinthefieldofinstrumentation.Tobeofrealvalue,thisdocumentshouldnotbestaticbutshouldbesubjecttoperiodicreview.Towardthisend,theSocietywelcom
5、esallcommentsandcriticismsandasksthattheybeaddressedtotheSecretary,StandardsandPracticesBoard;ISA;67AlexanderDrive;P.O.Box12277;ResearchTrianglePark,NC27709;Telephone(919)990-9227;Fax(919)549-8288;e-mail:standards@isa.org.TheISAStandardsandPracticesDepartment
6、isawareofthegrowingneedforattentiontothemetricsystemofunitsingeneral,andtheInternationalSystemofUnits(SI)inparticular,inthepreparationofinstrumentationstandards,recommendedpractices,andtechnicalreports.TheDepartmentisfurtherawareofthebenefitstoUSAusersofISAst
7、andardsofincorporatingsuitablereferencestotheSI(andthemetricsystem)intheirbusinessandprofessionaldealingswithothercountries.Towardthisend,thisDepartmentwillendeavortointroduceSI-acceptablemetricunitsinallnewandrevisedstandardstothegreatestextentpossible.TheMe
8、tricPracticeGuide,whichhasbeenpublishedbytheInstituteofElectricalandElectronicsEngineersasANSI/IEEEStd.268-1992,andfuturerevisions,willbethereferenceguidefordefinitions,symbols,abbreviati
