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。

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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。

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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。

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Houston found that its preemption system has cut travel time for emergency vehicles equipped with transmitters by as much as 23%--an enormous difference for a patient in cardiac arrest.

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