准确抄底
趋势线:=(C-MA(C,40))/MA(C,40)*100; 准确抄底:((REF(趋势线,1)<REF(趋势线,2) AND 趋势线<-25 AND 趋势线>-30) AND 趋势线>=REF(趋势线,1)) OR (REF(CROSS(-25,趋势线),1) AND CROSS(趋势线,-25));
