| 单词 | ocean ridge |
| 释义 | > as lemmasocean ridge ocean ridge n. Geology = mid-ocean ridge n. at mid-ocean adj. ΘΚΠ the world > the earth > water > sea or ocean > region of sea or ocean > [noun] > undersea ridge ridge system1819 oceanic ridge1915 sill1933 ridge1944 mid-ocean ridge1961 ocean ridge1961 1961 M. Ewing in M. Sears Oceanogr. i. 11 The relations and contrasts between the seismic and aseismic ocean ridges are gradually being discovered. 1974 Tectonophysics 11 387 Genesis of ocean ridge median valleys and continental rift valleys. 1990 P. Kearey & F. J. Vine Global Tectonics ii. 25 Ocean ridges and island arcs are the location of the Earth's most active areas of volcanic and plutonic activity. < as lemmas |
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