编写要求：
股票网解答：
网友求助：
N1:=9;{最近下跌天数}
N2:=30;{上涨天数}
N3:=56;{平台高点天数}
N2:=30;{上涨天数}
N3:=56;{平台高点天数}
LL:=LLV(L,N1);
HH:=HHV(H,2*N1);
H0:=REF(HHV(H,N3),N1+N2);
ZF:=(c-ref(c,1))/ref(c,1)*100;
买点:HH=HHV(H,N2+N1+N3) and LL>H0 and LL/HH<0.97 AND sum(ZF>9.9,16)>0 or sum(ZF>8.9,16)>1 or sum(ZF>9.9,30)>0;;
N1:=9;{最近下跌天数}
N2:=30;{上涨天数}
N3:=56;{平台高点天数}
N2:=30;{上涨天数}
N3:=56;{平台高点天数}
LL:=LLV(L,N1);
HH:=HHV(H,2*N1);
H0:=REF(HHV(H,N3),N1+N2);
ZF:=(C-REF(C,1))/REF(C,1)*100;
缠三买点:=HH=HHV(H,N2+N1+N3) AND LL>H0 AND LL/HH<0.97 AND SUM(ZF>9.9,16)>0 OR SUM(ZF>8.9,16)>1 OR SUM(ZF>9.9,30)>0;
选股:REF(缠三买点,1)=0 AND 缠三买点;
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