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单词 binormal
释义

WordReference Random House Unabridged Dictionary of American English © 2024
bi•nor•mal  (bīnôr′məl, bī nôr-),USA pronunciation n. [Geom.]
  1. Mathematicsthe normal to a curve, lying perpendicular to the osculating plane at a given point on the curve.
  • bi-1 + normal 1840–50

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