RSV:=(CLOSE-LLV(LOW,18))/(HHV(HIGH,18)-LLV(LOW,18))*100;   

K:=SMA(RSV,9,1);   

D:=SMA(K,3,1);   

J1:=EMA(K,3);   

J2:=3*K-2*D;   

趋势:=DRAWLINE(D>=HHV(D,18),D,D<=LLV(D,18),D,1);   

CROSS(J1,趋势)AND CROSS(J2,趋势);