DIF:=EMA(CLOSE,12)-EMA(CLOSE,26);DEA:=EMA(DIF,9);MACD:=(DIF-DEA)*2;A1:=C/O>=1.06;A2:=VOL/CAPITAL>=0.04;A3:=macd<-0.35;单阳背离:A1 AND A2 AND A3;