MAC3:=(ATAN((MA(C,3)/REF(MA(C,3),1)-1)*100)*180/3.14115926);M3:=MA(MAC3,3);AA:=PLOYLINE(CROSS(MAC3,M3),M3);AAB:=PLOYLINE(CROSS(M3,MAC3),MAC3);选股:COUNT(CROSS(MAC3,M3),AA<REF(AA,3) AND AAB>REF(AAB,3));