:=(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;极底:=REF(C,1)>极底 AND L<=极底 AND C>=极底;回踩铁底:=REF(C,1)>铁底 AND L<=铁底 AND C>=铁底;末日回踩:回踩极底 OR 回踩铁底;