XS通道版本
input:n1(30),n2(3),p1(15),p2(3); UPPERL: MA(HIGH,n1)*(1+p1/100); UPPERS: MA(HIGH,n2)*(1+p2/100); LOWERS: MA(LOW,n2)*(1-p2/100); LOWERL: MA(LOW,n1)*(1-p1/100);
