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。
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。
For this reason, Daqing Putaohua Area has switched over to adopting the product of integral amplitude and travel time apparent difference and finally has won much better results.
为此，在大庆长垣葡萄花地区采用了积分振幅与地震波旅行时视时差的积来预测储层厚度，取得了较好的效果。
It is based on the least square of the difference between the real reflection first break time and corresponding modeled ray-tracing travel time.
此法以反射地震资料中的观测初至旅行时与模型射线追踪旅行时之差的最小平方法为基础。
More practical ray tracing methods currently include the wavefront method, the shortest path method, the travel time epenthesis method, the eikonal equation finite difference method, etc.
当前实用性较强的射线追踪方法，包括波前法，最短路径法，走时插值法，程函方程有限差分法等。
More practical ray tracing methods currently include the wavefront method, the shortest path method, the travel time epenthesis method, the eikonal equation finite difference method, etc.
当前实用性较强的射线追踪方法，包括波前法，最短路径法，走时插值法，程函方程有限差分法等。
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