by:=sum(ordernum(1,0),0);
se:=sum(ordernum(2,0),0);
a:=sum(ordervol(1,2),0)/by;
b:=sum(ordervol(2,2),0)/se ;
t:=2*sum(v,0)/(by+se);
分时ddz:(a-b)/t*100,colorff0088,precis2;