If you calculate flight time, check-in and travel to-and-from the airport, you'll find almost no difference.
如果你把航班时间、办理登机手续和往返机场的时间算进去，你会发现几乎没有什么不同。
2
Imagine the time it would take to travel between a pair of atoms on the tip of a needle - that was the difference that delivered Michael Phelps his seventh gold medal.
想象一下这一时间不过是针尖上一对原子的间的旅行，而这一差异让菲尔普斯获得了第七金。
3
For this reason, Daqing Putaohua Area has switched over to adopting the product of integral amplitude and traveltime apparent difference and finally has won much better results.