LOWV:=EMA(LLV(LOW,34),3);
HIGHV:=EMA(HHV(HIGH,34),3);
RSV:=EMA((CLOSE-LOWV)/(HIGHV-LOWV)*100,3);
K:=SMA(RSV,8,1);
D:=SMA(K,6,1);
J:=3*K-2*D;
J1:=MA(J,3);
A1:=BArslAST(REF(crOSS(J,J1),1));
底背离:=REF(CLOSE,A1+1)>CLOSE AND J>REF(J,A1+1) AND CROSS(J,J1) AND J<20;
底背离XG:底背离>0;