这是WFL机床制造商编的drll程序一部分,请问一下有“@>”语句是什么意思
PROC DRILL (REAL RFP, REAL RDIS, REAL SDIS, REAL DPR, REAL DTS, REAL VARI) DISPLOF
;Version 20.09.2001 Metrisch/Inch
@>=["/J"/X*KQ*MXJ/9^C@EZBUWEA:?<^[P&D"='T"9;-8&W;-OPG',_.PU&=KYQ
@>_<_!5B!SUK`%>/CG]Z&GV!
@>^?^0Y`@BQY.FSB(`N<*W@Q
@>-69')((O[J-
IF $P_Search == 0
IF $MN_SCALING_SYSTEM_IS_METRIC == 1
IF ($P_GG[13] == 1)
@>"R`VS@?'3/A
@>6+/4.O"-SS0+R;/(AKOCJQ
ENDIF
IF ($P_GG[13] == 3)
@>YS]72)%2:[U
@>6+/4.O"-SS/N`_*+5G1D-1
ENDIF
ELSE
IF ($P_GG[13] == 2)
@>4.G#=+OL[_I
@>6+/4.O"-SS-X/VR[@&HF61
ENDIF
IF ($P_GG[13] == 4)
@>YE,9:2Q154A
@>6+/4.O"-SS-32P$@\'Y.VA
ENDIF