薛斯通道公式:{n1=20;n2=5;m1=12,m2=5}T: EMA(H,n1)*(1+m1/100);B: EMA(L,n1)*(1-m1/100);U: EMA(H,n2)*(1+m2/100);D: EMA(L,n2)*(1-m2/100);参考资料：http://tieba.baidu.com/p/2905849785
