It is shown that the 2_dimensional projective coordinate system can be constructed by homogeneous vector on the basis of the Descartes homogeneous coordinates.
在笛氏齐次坐标的基础上，采用齐次向量的方法，建立二维射影坐标系。
It is shown that the 2_dimensional projective coordinate system can be constructed by homogeneous vector on the basis of the Descartes homogeneous coordinates.
在笛氏齐次坐标的基础上，采用齐次向量的方法，建立二维射影坐标系。
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