- focal chord
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хорда (эллипса или гиперболы), проходящая через фокус перпендикулярно первой оси
Англо-русский словарь технических терминов. 2005.
Англо-русский словарь технических терминов. 2005.
Affine focal set — In mathematics, and especially affine differential geometry, the affine focal set of a smooth submanifold M embedded in a smooth manifold N is the caustic generated by the affine normal lines. It can be realised as the bifurcation set of a… … Wikipedia
latus rectum — |lad.əsˈrektəm, |läd. , |lād. noun Etymology: New Latin, literally, straight side : the chord of a conic section through a focus and parallel to a directrix * * * /lay teuhs rek teuhm/, pl. latera recta /lay teuhr euh rek teuh/. Geom. the chord… … Useful english dictionary
arts, East Asian — Introduction music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature. Some studies of East Asia… … Universalium
Effects unit — A pedalboard allows a performer to create a ready to use chain of multiple pedals. Signal chain order: tuner, compressor, octave generator, wah wah pedal, overdrive, distortion, fuzz, EQ and tremolo. Effects units are … Wikipedia
Tristan und Isolde — ( Tristan and Isolde , or Tristan and Isolda ) is an opera, or music drama, in three acts by Richard Wagner to a German libretto by the composer, based largely on the romance by Gottfried von Straßburg. It was composed between 1857 and 1859 and… … Wikipedia
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tonality — tonalitive, adj. /toh nal i tee/, n., pl. tonalities. 1. Music. a. the sum of relations, melodic and harmonic, existing between the tones of a scale or musical system. b. a particular scale or system of tones; a key. 2. (in painting, graphics,… … Universalium
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symphony — /sim feuh nee/, n., pl. symphonies. 1. Music. a. an elaborate instrumental composition in three or more movements, similar in form to a sonata but written for an orchestra and usually of far grander proportions and more varied elements. b. an… … Universalium
Sydney Harbour Bridge — OperationsRoadFrom the Sydney CBD side, motor vehicle access to the bridge is normally via Grosvenor Street, Clarence Street, Kent Street, the Cahill Expressway, or the Western Distributor. Drivers on the northern side will find themselves on the … Wikipedia
architecture — /ahr ki tek cheuhr/, n. 1. the profession of designing buildings, open areas, communities, and other artificial constructions and environments, usually with some regard to aesthetic effect. Architecture often includes design or selection of… … Universalium