DIFF:=EMA(CLOSE,12)-EMA(CLOSE,26);DEA:=EMA(DIFF,9);A0:=CROSS(DIFF,DEA);A:=A0 AND DIFF<0;FT:=BARSLAST(A);B:=COUNT(A0,FT);第二个金叉:DIFF>0 AND DEA>0 AND A0 AND B<2;