n1:=125;
N2:=5;
N3:=20;
A:=COUNT(CLOSE>=REF(CLOSE,1),N1)/COUNT(CLOSE<REF(CLOSE,1),N1);
B:MA(A,N2);
//N2周期内的A的简单移动平均;
D:MA(A,N3);
//N3周期内的A的简单移动平均;