FL:=MA(CLOSE,17)+ABS(MA(CLOSE,17)-REF(MA(CLOSE,17),1));
FS:=MA(CLOSE,17)+MA(CLOSE,17)-REF(MA(CLOSE,17),1);
BB:=IF(MA(CLOSE,17) FS,FS,MA(CLOSE,17));
年线:=EMA(C,250);
DIFF:=EMA((年线-(EMA(C,3)-年线)),5);
追涨跌破止损:= EMA(COST(81),10) ;
牛熊线:= EMA(COST(27),120);
金叉: CROSS(BB,DIFF) ;