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〔 ...
• at infinity:    无尽的; 在无穷远处
• infinity:    n. 1.＝infinitude. 2.【数学】无穷大〔符号为∞〕。 3.大量，大宗。 an infinity of things 极多的东西。 at infinity在无限远的距离上。 to infinity直到无限。
• to infinity:    直到无限

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.