通达信公式：K线触碰30分和120分下轨反弹策略

((LOW-MA(LOW,30))/STD(LOW,30)<-1 AND (LOW-MA(LOW,120))/STD(LOW,120)<-1) AND (REF((LOW-MA(LOW,30))/STD(LOW,30),1)>=-1 AND REF((LOW-MA(LOW,120))/STD(LOW,120),1)>=-1) AND ((HIGH-MA(HIGH,30))/STD(HIGH,30)>=1 AND (HIGH-MA(HIGH,120))/STD(HIGH,120)>=1) AND (REF((HIGH-MA(HIGH,30))/STD(HIGH,30),1)<=1 AND REF((HIGH-MA(HIGH,120))/STD(HIGH,120),1)<=1)