RSV:=(CLOSE-LLV(LOW,18))/(HHV(HIGH,18)-LLV(LOW,18))*100; K:=SMA(RSV,9,1); D:=SMA(K,3,1); J1:=3*K-2*D; 趋势J2:=EMA(K,3);WH:=DRAWLINE(D>=HHV(D,21),D,D<=LLV(D,21),D,1);OSS(趋势J1,WH) AND CROSS(趋势J2,WH);