RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100; K:=SMA(RSV,3,1); D:=Sma(K,3,1); J:=3*K-2*D; 红牛抬头:crOSS(MA(CLOSE,9),MA(CLOSE,20)) AND J>REF(J,1);