| 释义 |
affine plane affine plane[ə′fīn ‚plān] (mathematics) In projective geometry, a plane in which (1) every two points lie on exactly one line, (2) if p and L are a given point and line such that p is not on L, then there exists exactly one line that passes through p and does not intersect L, and (3) there exist three noncollinear points. |