XA1:=IF(DATE<99999999,1,DRAWNULL); 牛熊线:=Dma(MA(CLOSE+REF(CLOSE,5)*XA1/CLOSE*0.098,90),vol),LINETHICK1,COLORYELLOW; 小牛:=crOSS(C,牛熊线); 走强区:小牛;