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;A1:=CROSS(J,20);TS1:=BARSLAST(A1)+1;BJ:=REF(C,TS1);XG:CROSS(C,BJ);选股周期：周线
