N1:=20;N2:=120;N3:=250;
ma20:=MA(C,N1);
MA120:=MA(C,N2);
MA250:=MA(C,N3);
并线开花:crOSS(C,MA120) AND CROSS(C,MA250) AND CROSS(C,MA20);
N1:=20;N2:=120;N3:=250;
ma20:=MA(C,N1);
MA120:=MA(C,N2);
MA250:=MA(C,N3);
并线开花:crOSS(C,MA120) AND CROSS(C,MA250) AND CROSS(C,MA20);