.ty.ty yü.úù.÷ ..óò.e..íì.êéè .÷..éèù. .tyü.túù.÷.úù.y..óòty.òù.ò..eúù...y..ò..y.íy..üí.ùyí ì.y.ò..ò..óòty.òù.ò..ó..y............tó..êúyü..úùí yü .t .t  . ................................................................................................................................................................. ............................................................................................................................................................... 1 ........................................................................................................................................... 1 ................................................................................................................................................... 1 ............................................................................................................................... 3 ........................................................................................................................................... 4 ............................................................................................................................... 5 ........................................................................................................................................................... 8  . GB/T 1.1.2009  .  . reference material  .  .  . reflabXXMPEVlabXrefXMPEVCDrRCDCDnnCDrR18.28.2212295.0........ r.. R.. n.. rRCD2nnrRCD1212295.0............. reflabXX95.0CDEn EnEn3  . X X lab ref ............... En U 2 U 2 lab ref labX.. refX.. labU.. refU.. labUrefU En t t X X lab ref t n .............. s labX.. refX.. s .. n .. t1 a (v) t1 a2(v) v v n 1 a t t1 a (v) t t1 a2(v) Xlab Xref P 1X 0X 100% .............. m P.. m.. 1X.. 0X..  . ( ) ( )  . 2012 2009  .tyü.úù .tyü.úù.÷...óò .e..óò.í .t..úù....÷.ò.... ty ÷÷.ò.ó.........ú.e .... ü .. .úù. ÷. .......... .÷... ó ì.ê. é.è.