M5:=5; Mac5:=(ATAN((MA(C,5)/REF(MA(C,5),1)-1)*100)*180/3.14115926); AA1:=PLOYLINE(crOSS(MAC5,M5),M5); AAB:=PLOYLINE(CROSS(M5,MAC5),MAC5); 展翅高飞:COUNT(CROSS(MAC5,M5),AA1REF(AAB,5));