QQ2:=(CLOSE-LLV(LOW, 18))/(HHV(HIGH, 18)-LLV(LOW, 18))*100;QQ3:=SMA(QQ2, 9, 1);QQ4:=SMA(QQ3, 3, 1);长:=3*QQ3-2*QQ4,COLORWHITE,LINETHICK3;:=EMA(QQ3, 3),COLORRED,LINETHICK3;:OSS(长趋势,趋势线);