ITU-T F.18(02-1995) (英) Guidelines on harmonization of international ……

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1、3UPERSEDEDBYAMORERECENTVERSIONINTERNATIONALTELECOMMUNICATIONUNION)45 4&TELECOMMUNICATION(02/95)STANDARDIZATIONSECTOROFITU/0%2!4)/.3!.$15!,)49/&3%26)#%4%,%'2!0(3%26)#%3'5)$%,).%3/.(!2-/.):!4)/./&).4%2.!4)/.!,05",)#"52%!53%26)#%3)45

2、4Recommendation&Supersededbyamorerecentversion(Previously“CCITTRecommendation”)3UPERSEDEDBYAMORERECENTVERSION&/2%7/2$TheITU-T(TelecommunicationStandardizationSector)isapermanentorganoftheInternationalTelecommunicationUnion(ITU).TheITU-Tisresponsib

3、leforstudyingtechnical,operatingandtariffquestionsandissuingRecommen-dationsonthemwithaviewtostandardizingtelecommunicationsonaworldwidebasis.TheWorldTelecommunicationStandardizationConference(WTSC),whichmeetseveryfouryears,establishesthetopicsforstudybytheIT

4、U-TStudyGroupswhich,intheirturn,produceRecommendationsonthesetopics.TheapprovalofRecommendationsbytheMembersoftheITU-TiscoveredbytheprocedurelaiddowninWTSCResolutionNo.1(Helsinki,March1-12,1993).ITU-TRecommendationF.18waspreparedbyITU-TStudyGroup1(1993-1996)a

5、ndwasapprovedundertheWTSCResolutionNo.1procedureonthe21stofFebruary1995.___________________NOTEInthisRecommendation,theexpression“Administration”isusedforconcisenesstoindicatebothatelecommunicationadministrationandarecognizedoperatingagency.ãITU1995Allrightsr

6、eserved.Nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromtheITU.3UPERSEDEDBYAMORERECENTVERSION#/.4%.430AGE1Introduction...........................

7、.........................................................................................................................12Terminology.............................................................................................................................

8、......................13Scope..............................................................................................................................................................