DIFF:=Ema(CLOSE,12)-EMA(CLOSE,27)COLORWHITE; DEA:=EMA(DIFF,9),COLORYELLOW; JCCOUNT:=COUNT(crOSS(DIFF,DEA),BArslAst(DEA>=0)); 一次金叉:CROSS(DIFF,DEA) AND DEA<0 AND COUNT(JCCOUNT=1,5)=1;