l of r造句
造句与例句手机版
- Amongst my searching on the internet about Pl點ker coordinates, I have found many clear explanations of how to compute the Pl點ker coordinates of a line L of R ^ 3 knowing classical ( cartesian ) properties of L ( such as direction, points belonging to L ) but nothing clear about the way back.
- It's difficult to see l of r in a sentence. 用l of r造句挺难的