趋势线:=3*SMA((CLOSE-LLV(LOW,60))/(HHV(HIGH,60)-LLV(LOW,60))*100,5,1)-2*Sma(SMA((CLOSE-LLV(LOW,60))/(HHV(HIGH,60)-LLV(LOW,60))*100,5,1),3,1), COLORYELLOW; 见底信号:=10,COLOR983433; 买入时间:crOSS(趋势线,见底信号);