,,,22.9%,19.5%,70%,,,;70%,,。5,,;,,,。70%,,,,。1..,1992(8):49~52.2..,1991(1):14~18.3,,,.SPSS.:,2002.4,.SPSSv10.0forWindows.:,2001.5,,..:,2000.()20081116。1ECER48GB4785、。,。····()【】GB4785ECER48、、:GB4785,、、;GB478560%。GB4785,,。:GB4785ECER48:U463.83:A:1000-3703(2009)01-0020-03AnalysisofTechnologyDifferencesBetweenChinaandEuropeAutomotiveLightingInstallationStandardsXuZhiqiang(ShanghaiKoitoLampCo.,Ltd.)【Abstract】Thedifferencesregardingtypeapproval,single-lampcombinationarea,thefrontredlightandheadlightinstallationdirectionetcbetweenGB4785andECER48arelistedinthepaper.GB4785doesn’tspecifythatthenewvehicleneedn’tre-inspectionwhenthelightinginstallationcategory,installationquantityandgeometryvisibilityetcareidenticalwiththeapprovedvehiclefornewtypeapproval;GB4785specifiesthattheapparentsurfaceprojectiononthereferenceaxisshallbenolessthan60%ofthemin.rectangularareaformedbyapparentsurfaceonreferenceaxis.BecauseGB4785islaggingbehind,theapplicationofnewtechnologyhasnoproperstandardstoguideandtheimplementationcostofthestandardsincreases.Keywords:Lighting,GB4785,ECER48,Technologydifference20——200911998GB4785—1998《》。,GB4785—200720086。GB4785—1998ECER48,、ECER48。,3C,E,E-CER48。GB4785—1998ECER48GB4785ECER48,E-CER48ECE,,GB47851985,3。GB4785ECER482001,GB4785—2007ECER48,。GB4785—1998ECER48GB4785。2ECER48GB4785ECER482.2,2.2.1~2.2.4,、、、,[1]。,,、、,。ECER48GB4785。3C,,,3C,()。,。GB4785,,。,,,、、,3C。,,。,GB4785,3C,。3ECER485GB4785GB47853.13,,60%(1)。ECER48,,60%,d≤1.5mm(2)。1S1S22S1S260%60%GB4785ECER48—2001,ECER48—2006[2],,,,,ECER48。GB4785,60%[3],60%。,ECER48,、,;GB4785。4ECER48GB4785GB47854.1.10.1,S1S2S1S2dd≤1.5mm····21——,,3。ECER48,。,,。,GB4785,。3,,。,GB5920《、、》5.2.7,,[4]。,,,,,GB4785。,,,,。GB5920,GB4785。ECER48,1,,;,。5ECER48GB4785GB47854.3.1.6,2,1。,。ECER48,1。GB47851,,,ECER48。GB4785GB7258—2004《》,。GB7258GB4785,GB4785,GB7258,,。6,;,,,。,。,,,。1ECER48—2006UniformProvisionsConcerningtheApprovalofVehicleswithRegardtotheInstallationofLightingandLi-ght-SignallingDevicesUnitedNations.2006,4:14~19.2ECER48—2006UniformProvisionsConcerningtheApprovalofVehicleswithRegardtotheInstallationofLightingandLig-ht-SignallingDevicesUnitedNations.2006,11:23~28.3GB4785—2007.:,2008.4GB5920()、、.2007.()200894。25m15°15°····1990,、,80()。::0431-85789855《》22——