单词 | refraction shooting |
释义 | refraction shooting [ri`frak·shǝn ´shüd·iŋ] ENGINEERING A type of seismic shooting based on the measurement of seismic energy as a function of time after the shot and of distance from the shot, by determining the arrival times of seismic waves which have traveled nearly parallel to the bedding in high-velocity layers, in order to map the depth of such layers. |
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