Cassini oval

名词 n.
中文释义

英文释义

名词 n.
  1. A plane curve defined as the set (or locus) of points in the plane such that the product of the distances to two fixed points is constant (related to an ellipse, for which the sum of the distances is constant).

词形变化

Cassini ovals plural

词源

Named after the astronomer Giovanni Domenico Cassini, who studied them in 1680.
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