MA5 :=EMA(CLOSE,5);

趋势:=MA5-EMA(MA5,2);

JCSJ1:=BARSLAST(CROSS(趋势,0))+1;

JCSJ2:=JCSJ1+REF(JCSJ1,JCSJ1);

双底:IF(JCSJ1=1 AND MA5>REF(MA5,JCSJ2) AND COUNT(趋势<0,4)>=2,1,0);