NF S91-108-1992 牙科工艺用牙根管器械.第2部分:扩孔钻.(欧洲标准EN236300-2)
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【英文标准名称】:DENTALROOTCANALINSTRUMENTS.PART2:ENLARGERS.(EUROPEANSTANDARDEN23630-2).
【原文标准名称】:牙科工艺用牙根管器械.第2部分:扩孔钻.(欧洲标准EN236300-2)
【标准号】:NFS91-108-1992
【标准状态】:作废
【国别】:法国
【发布日期】:1992-04
【实施或试行日期】:1992-03-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;声强;听觉阈;声波;听力测定;音频;声压;声学;听觉;等响度级;规范规范
【英文主题词】:
【摘要】:
【中国标准分类号】:C33
【国际标准分类号】:11_060_20
【页数】:5P;A4
【正文语种】:其他
MIL-STD-1171A, MILITARY STANDARD: ACCEPTANCE AND DESCRIPTION SHEETS (FOR PROPELLANTS AND EXPLOSIVES) (29 APR 1994)., This standard provides guidelines, and lists all mandatory information required for the preparation of propellant description sheet, propellant acceptance sheet, rocket propellant description sheet, rocket propellant acceptance sheet and description sheet for explosives, chemicals, etc.【英文标准名称】:Informationtechnology.Languageindependentarithmetic.Elementarynumericalfunctions
【原文标准名称】:信息技术.独立于语言的算术.基本数值函数
【标准号】:BSISO/IEC10967-2-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-08-24
【实施或试行日期】:2001-08-24
【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】:算术;计算机软件;数据处理;定义(术语);信息技术;接口(数据处理);数学分析;数值分析;编制程序;程序设计语言
【英文主题词】:Arithmetic;Computersoftware;Dataprocessing;Definitions;Informationtechnology;Interfaces(dataprocessing);Mathematicalanalysis;Numericalanalysis;Programming;Programminglanguages
【摘要】:ThispartofISO/IEC10967definesthepropertiesofnumericalapproximationsformanyoftherealelementarynumericalfunctionsavailableinstandardlibrariesforavarietyofprogramminglanguagesincommonuseformathematicalandnumericalapplications.Animplementormaychooseanycombinationofhardwareandsoftwaresupporttomeetthespecificationsofthispart.Itisthecomputingenvironment,asseenbytheprogrammer/user,thatdoesordoesnotconformtothespecifications.Thetermimplementation(ofthispart)denotesthetotalcomputingenvironmentpertinenttothispart,includinghardware,languageprocessors,subroutinelibraries,exceptionhandlingfacilities,othersoftware,anddocumentation.1InclusionsThespecificationsofpart1areincludedbyreferenceinthispart.Thispartprovidesspecificationsfornumericalfunctionsforwhichalloperandvaluesareofintegerorfloatingpointdatatypessatisfyingtherequirementsofpart1.Boundariesfortheoc-currenceofexceptionsandthemaximumerrorallowedareprescribedforeachspecifiedoperation.Alsotheresultproducedbygivingaspecialvalueoperand,suchasaninfinity,oraNaN,isprescribedforeachspecifiedfloatingpointoperation.ThispartcoversmostnumericalfunctionsrequiredbytheISO/IECstandardsforAda[11],Basic[16],C[17],C++[18],Fortran[22],ISLisp[24],Pascal[27],andPL/I[29].Inparticular,specificationsareprovidedfor:a)Someadditionalintegeroperations.b)Someadditionalnon-transcendentalfloatingpointoperations,includingmaximumandmin-imumoperations.c)Exponentiations,logarithms,andhyperbolics.d)Trigonometries,bothinradiansandforargument-givenangularunitwithdegreesasaspecialcase.Thispartalsoprovidesspecificationsfor:e)Conversionsbetweenintegerandfloatingpointdatatypes(possiblywithdifferentradices)conformingtotherequirementsofpart1,andtheconversionoperationsused,forexample,intextinputandoutputofintegerandfloatingpointnumbers.f)TheresultsproducedbyanincludedfloatingpointoperationwhenoneormoreargumentvaluesareIEC60559specialvalues.g)Program-visibleparametersthatcharacterisecertainaspectsoftheoperations.2ExclusionsThispartprovidesnospecificationsfora)Numericalfunctionswhoseoperandsareofmorethanonedatatype(withoneexception).Thispartneitherrequiresnorexcludesthepresenceofsuch"mixedoperand"operations.b)Anintervaldatatype,ortheoperationsonsuchdata.Thispartneitherrequiresnorexcludessuchdataoroperations.c)Afixedpointdatatype,ortheoperationsonsuchdata.Thispartneitherrequiresnorexcludessuchdataoroperations.d)Arationaldatatype,ortheoperationsonsuchdata.Thispartneitherrequiresnorexcludessuchdataoroperations.e)Complex,matrix,statistical,orsymbolicoperations.Thispartneitherrequiresnorexcludessuchdataoroperations.f)Thepropertiesofarithmeticdatatypesthatarenotrelatedtothenumericalprocess,suchastherepresentationofvaluesonphysicalmedia.g)Thepropertiesofintegerandfloatingpointdatatypesthatproperlybelonginprogramminglanguagestandardsorotherspecifications.Examplesinclude1)thesyntaxofnumeralsandexpressionsintheprogramminglanguage,2)thesyntaxusedforparsed(input)orgenerated(output)characterstringformsfornumeralsbyanyspecificprogramminglanguageorlibrary,3)theprecedenceofoperatorsintheprogramminglanguage,4)thepresenceorabsenceofautomaticdatatypecoercions,5)therulesforassignment,parameterpassing,andreturningvalue,6)theconsequencesofapplyinganoperationtovaluesofimproperdatatype,ortounini-tialiseddata.Furthermore,thispartdoesnotprovidespecificationsforhowtheoperationsshouldbeimple-mentedorwhichalgorithmsaretobeusedforthevario
【中国标准分类号】:L74
【国际标准分类号】:35_060
【页数】:190P.;A4
【正文语种】:英语
