中线:=(EMA(C,30)+EMA(C,72))/2,COLORCYAN,LINETHICK3;
{顶线:=中线+中线*0.80,COLORCYAN;}
铁底:=中线-中线*0.49,COLOR00CC00,LINETHICK3;
顶线:=中线+中线*0.22,COLORFF3300,LINETHICK3;
极底:=中线-中线*0.29,COLORFF33CC,LINETHICK3;
回踩极底:=REF(C,1) 极底 AND L =极底 AND C
回踩铁底:=REF(C,1) 铁底 AND L =铁底 AND C
末日回踩:回踩极底 OR 回踩铁底;