projective line

名词 n.
中文释义

英文释义

名词 n.
  1. A line that includes a point at infinity; a line in a projective space; a projective space of dimension 1.
    — A projective line in P²( R ), consists of the projective points defined by coplanar directions in R ³. In other words, just as the points in P²( R ) correspond to one-dimensional subspaces in R ³, the projective lines correspond to two-dimensional subspaces in R ³.

词形变化

projective lines plural
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