快线:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100; 慢线:=SMA(快线,3,1); 空:=Sma(慢线,3,1); 转牛:BArslAst(crOSS(慢线,空))<9 AND CROSS(慢线,空) AND 慢线<20;