选股指标反转模型（源码贴说明）
a1:=ma(close,5);
A2:=ma(close,10);
A3:=ma(close,20);
A4:=ma(close,30);
A5:=a1>a2 and a2>a3 ;
BIAS:= (CLOSE-MA(CLOSE,6))/MA(CLOSE,6)*100 ;
A7:= HHV(BIAS,20)< 6;
A6:= (c-LLV(l,20))/LLV(l,20)*100 > 20 AND ( c-ref(c,20))/ref(c,20)*100 < 10 ;
A8:=CLOSE > ma(CLOSE,5) and
REF(CLOSE,1)> REF(ma(CLOSE,5),1) and REF(CLOSE,2)> REF(ma(CLOSE,5),2) and REF(CLOSE,3)> REF(ma(CLOSE,5),3) and REF(CLOSE,4)> REF(ma(CLOSE,5),4) ;
A9:= CLOSE > REF(CLOSE,5) and REF(CLOSE,5) > REF(CLOSE,10) ;
A9 AND A6 AND A5 AND A7 AND A8;
