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));