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单词 riemannian geometry
释义

WordReference Random House Unabridged Dictionary of American English © 2024
Riemannian geometry, [Geom.]
  1. MathematicsAlso called elliptic geometry. the branch of non-Euclidean geometry that replaces the parallel postulate of Euclidean geometry with the postulate that in a plane every pair of distinct lines intersects. Cf. hyperbolic geometry. 
  2. Mathematicsthe differential geometry of a metric space that generalizes a Euclidean space.
  • 1915–20

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