The point, the line and thier relationship in orthogonal projection

The point, the line and thier relationship in orthogonal projection

thanh T.
The point, the line and thier relationship in orthogonal projection (Descriptive geometry) - Mối liên hệ giữa điểm và đường thẳng trong hình chiếu thẳng góc. #Descriptive_geometry #line #orthogonal_projection #point
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