飞狐买入必涨的均线买入经典指标

MA5:=MA(CLOSE,5);
 MA30:=MA(CLOSE,30);
 MA90:=MA(CLOSE,90);
 Xx:=CROSS(MA90,MA30) AND CROSS(C,MA5);
 yy:=count(xx,10)>0 and count(xx,9)=0;