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单词 Conrad discontinuity
释义 Conrad discontinuity
[`kän´rad dis´känt·ǝn`ü·ǝd·ē]
GEOPHYSICS
A relatively abrupt discontinuity in the velocity of elastic waves in the earth, increasing from 6.1 to 6.4-6.7 kilometers per second; occurs at various depths and marks contact of granitic and basaltic layers.
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