地心引力用于提示熊牛市是否结束
N1:=30;N2:=72;N3=1;
D:(MA(CLOSE,N1)+MA(CLOSE,N2))*0.9/2,coloryellow;
H:(MA(CLOSE,N1)+MA(CLOSE,N2))*1.1/2,color0000ff;
Z:(MA(CLOSE,N1)+MA(CLOSE,N2))/2,Color00ff00;
R:MA(CLOSE,N3),colorwhite;
