- anharmonic pencil
- мат. ангармонический пучок
Большой англо-русский и русско-английский словарь. 2001.
Большой англо-русский и русско-английский словарь. 2001.
anharmonic ratio — Math. See cross ratio. [1860 65] * * * anharmonic ratio noun The cross ratio of four numbers, four points on a straight line or four lines in a pencil (harmonic when = 1) • • • Main Entry: ↑anharmonic … Useful english dictionary
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Lazare Carnot — President of the National Convention In office May 20, 1794 – June 4, 1794 Preceded by Robert Lindet S … Wikipedia