N:=9;M1:=3;快线:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100;慢线:=SMA(快线,M1,1);BB:=IF(BARSLAST(OSS(慢线,快线))>=3 AND CROSS(快线,慢线) AND 慢线<30,20,0);买:STICKLINE(BB,0,20,7,1);