BBI:=(MA(CLOSE,M1)+MA(CLOSE,M2)+MA(CLOSE,M3)+MA(CLOSE,M4))/4;A:=CLOSE;XG:CROSS(A,BBI);一般这样来用。｛个人看法，仅供参考。｝
BBI:=(MA(CLOSE,5)+MA(CLOSE,10)+MA(CLOSE,20)+MA(CLOSE,30))/4;CROSS(BBI,MA(BBI,2));
