| 单词 | seismic velocity |
| 释义 | > as lemmasseismic velocity seismic velocity n. the velocity of propagation of elastic waves in a particular rock. ΚΠ 1935 Bull. Amer. Assoc. Petroleum Geologists 19 1 The idea that the longitudinal seismic velocity of sediments increases with the age of the sediments has been held rather generally for some time. 1977 A. Hallam Planet Earth 11/1 Observed seismic velocities..allow the variation of density with depth in the Earth to be determined. < as lemmas |
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