Q2:=(CLOSE-LLV(LOW, 18))/(HHV(HIGH, 18)-LLV(LOW, 18))*100; Q3:=SMA(Q2, 9, 1); Q4:=Sma(Q3, 3, 1); 长趋势:=3*Q3-2*Q4; 趋势线:=EMA(Q3, 3); 金叉: crOSS(长趋势,趋势线);