a1:=(close-ma(c,30))/ma(c,30)* 100 & gt;0;
a2:=COUNT(a1,3)>=3;
a3:=abs(c-ma(c,30))/ma(c,30)& lt;0.005;
a4:=c-ref(c,1)& lt;0;
a5:= c & gt;=ma(c,30);
a2和a3以及a4和a5;