长期:=(C-LLV(L,30))/(HHV(C,30)-LLV(L,30));
中长期:=(C-LLV(L,20))/(HHV(C,20)-LLV(L,20));
TYP:=(HIGH+LOW+CLOSE)/3;
cci:=(TYP-MA(TYP,12))/(0.015*AVEDEV(TYP,12));
超卖:CCI -200 AND CCI REF(CCI,1) AND 长期 REF(长期,1) AND 中长期 REF(中长期,1);