In a vertical seismic profile, offset is the horizontal distance between the source and the wellhead or the surface projection of the receiver in the case of a deviated well.
在垂直地震剖面中，偏移距是震源和井口之间的水平距离。在斜井的情况下，偏移距是震源和检波器在地表的投影之间的距离。
In surface seismic acquisition, the horizontal distance from source to receiver.
在地表地震采集中，指震源到检波器的水平距离。
Sound waves travel outward like balloons expanding around their source. The sound's power is distributed on the surface of the wave which increases with the square of the distance from its source.
声波的扩散就好比气球的膨胀，声波从声源向四周扩散，声音的能量也随着声波四散开来。
Sound waves travel outward like balloons expanding around their source. The sound's power is distributed on the surface of the wave which increases with the square of the distance from its source.
声波的扩散就好比气球的膨胀，声波从声源向四周扩散，声音的能量也随着声波四散开来。
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