plane at infinity中文什么意思

无穷远平面

• plane:    n. 平刨；镘。 a jack plane 粗刨。 vt ...
• infinity:    n. 1.＝infinitude. 2.【数学】无穷大〔 ...

百科释义

In projective geometry, the plane at infinity is a projective plane which is added to the affine 3-space in order to give it closure of incidence properties. The result of the addition is the projective 3-space, P^3.