DIFF:=Ema(CLOSE,12)-EMA(CLOSE,26); DEA:=EMA(DIFF,9); A1:=BArslAst(REF(crOSS(DEA,DIFF),1)); DIXI:=CROSS(DEA,DIFF) AND REF(DEA,A1+1)>0 AND DEA<0; 波段低吸:DIXI;