主题：后台交易程序能实现提前下单吗?

abb:=(time0-timetot0(dynainfo(207))<=tq) or not(islastbar);

if abb then begin
  if holding>0 and ma5<ma10 then sell(1,1,thisclose);
  if holding<0 and ma5>ma10 then sellshort(1,1,thisclose);
  if holding=0 and ma5>ma10 then buy(1,1,thisclose);
  if holding=0 and ma5<ma10 then buyshort(1,1,thisclose);

end