N:=10;
N1:=25;
N2:=55;
WR1:-10*(HHV(HIGH,N)-CLOSE)/(HHV(HIGH,N)-LLV(LOW,N));
WR2:-10*(HHV(HIGH,N1)-CLOSE)/(HHV(HIGH,N1)-LLV(LOW,N1));
WR3:-10*(HHV(HIGH,N2)-CLOSE)/(HHV(HIGH,N2)-LLV(LOW,N2));
三合:ABS(WR1-WR2)<0.3 AND ABS(WR1-WR3)<0.3 AND WR1<-9;