A1:=C>REF(C,1);
A2:=COUNT(A1,20);
A3:=C>REF(C,1)*1.03;
A4:=COUNT(A3,20);
阳线%:=A2/20*100;
大中阳%:=A4/20*100;
XG:阳线%>50 AND 大中阳%>30 AND C<15;
