- confocal parabolas
- конфокальные параболы
The New English-Russian Dictionary of Radio-electronics. F.V Lisovsky . 2005.
confocal parabolas
Смотреть что такое "confocal parabolas" в других словарях:
Parabolic coordinates — are a two dimensional orthogonal coordinate system in which the coordinate lines are confocal parabolas. A three dimensional version of parabolic coordinates is obtained by rotating the two dimensional system about the symmetry axis of the… … Wikipedia
Hyperbola — This article is about a geometrical curve, a conic section. For the term used in rhetoric, see Hyperbole … Wikipedia
