- miniquaternion system
- мат.система миникватернионов
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Desargues' theorem — Perspective triangles. Corresponding sides of the triangles, when extended, meet at points on a line called the axis of perspectivity. The lines which run through corresponding vertices on the triangles meet at a point called the center of… … Wikipedia