H1:=EMA(CLOSE,5);H2:=EMA(H1,12);上轨:=H2+3*STD(H2,10);下轨:=H2-3*STD(H2,10);中轨:=MA(CLOSE,20);REF(上轨,1)=LLV(上轨,3) AND CROSS(C,上轨);
