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单词 sea-floor spreading
释义

sea-floor spreading

noun [mass noun] Geology
The formation of fresh areas of oceanic crust which occurs through the upwelling of magma at mid-ocean ridges and its subsequent outward movement on either side.After much thought, he proposed in 1960 that the movement of the continents was a result of sea-floor spreading....
  • The main figure demonstrates how sea-floor anomalies, also known as magnetic stripes, develop during sea-floor spreading.
  • The main figure demonstrates how sea-floor anomalies, also known as magnetic stripes, develop during sea-floor spreading.
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更新时间:2025/2/24 5:22:10