plane at infinity中文

無窮遠平面

• plane:    n. 平刨；鏝。 a jack pl ...
• infinity:    n. 1.＝infinitude. ...
• at infinity:    無盡的; 在無窮遠處

百科釋義

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.