RSV:= (HHV(HIGH,N)-CLOSE)/(HHV(HIGH,N)-LLV(LOW,N))*100;
Lwr1:SMA(RSV,M1,1)COLORMAGENTA;
LWR2:SMA(LWR1,M2,1);
DRAWTEXT(crOSS(LWR2,LWR1) AND LWR1 80 AND LWR2 80 , LWR2, '买进')COLORMAGENTA;
DRAWTEXT(CROSS(LWR1,LWR2) AND LWR1 20 AND LWR2 20 , LWR1, '卖出')COLORGREEN;