- imaginary quadric
- мат.мнимая квадрика
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
quadric — The three dimensional surface represented by a general second degree equation in three variables. By a suitable choice of co ordinates sucha an equation can be reduced to one of the following standard equations If all of the ± are + then it… … Dictionary of automotive terms
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