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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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