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单词 geoid
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ge•oid  ( jē′oid),USA pronunciation n. 
  1. Geographyan imaginary surface that coincides with mean sea level in the ocean and its extension through the continents.
  2. Place Namesthe geometric figure formed by this surface, an ellipsoid flattened at the poles.
  • Greek geoeidé̄s earthlike. See geo-, -oid
  • 1880–85
ge•oi′dal, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
geoid /ˈdʒiːɔɪd/ n
  1. a hypothetical surface that corresponds to mean sea level and extends at the same level under the continents
  2. the shape of the earth
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更新时间：2025/2/23 11:23:22