According to the nature of projective scale, it has solved the problem of drawing a cars perspective when perspective vanishing point is out of the drafting board.

文中利用射影几何中射线比的特殊性质，解决了透视灭点在图板外的透视图画法。

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Lin's move to the Rockets who in 2002 became relevant on an international scale upon drafting China's Yao Ming gives the franchise the league's lone Asian-American athlete.

WSJ: Knicks Let Jeremy Lin Walk Away