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;