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1 beam
[bi:m] 1. noun1) (a long straight piece of wood, often used in ceilings.) poutre2) (a ray of light etc: a beam of sunlight.) rayon3) (the greatest width of a ship or boat.) largeur2. verb1) (to smile broadly: She beamed with delight.) rayonner2) (to send out (rays of light, radio waves etc): This transmitter beams radio waves all over the country.) diffuser -
2 ray
[rei]1) (a narrow beam (of light, heat etc): the sun's rays; X-rays; heat-rays; a ray of light.) rayon2) (a slight amount (of hope etc).) lueur -
3 focus
1 ( focal point) foyer m ; to be out of focus [device] ne pas être au point ; [image] être flou ; to be in focus être au point ; to go out of focus [device] se dérégler ; [image] devenir flou ; to bring sth into focus mettre qch au point ; to come into focus se rapprocher de la mise au point ;3 ( centre of interest) centre m, foyer m ; to become the focus of controversy devenir le centre de la controverse ; to become a focus for the press devenir le centre d'intérêt de la presse ; to provide a focus for research fournir un centre d'intérêt à la recherche ;2 ( adjust) mettre [qch] au point, régler [lens, microscope, camera] ; to focus one's lens on faire la mise au point sur [object] ;3 ( concentrate) concentrer [attention, mind] (on sur).1 ( home in) to focus on [rays] converger sur ; [astronomer, photographer, camera] faire le point or la mise au point sur ; [eyes, gaze, attention] se fixer or se concentrer sur ;1 [telescope, image] au point ;2 [person] déterminé ; she's very focus elle est très déterminée. -
4 cathode
cathode ['kæθəʊd]1 nouncathode f(beam, screen) cathodique►► Electricity cathode rays rayons mpl cathodiques;Electricity cathode ray tube tube m cathodique;Electricity cathode ray tube monitor moniteur m à tube cathodique;cathode sputtering pulvérisation f cathodique, ionoplastie f -
5 focus
focus ['fəʊkəs] (pl focuses or foci [-saɪ], pt & pp focussed or focused, cont focussing or focusing)1 noun∎ the picture is in/out of focus l'image est nette/floue, l'image est/n'est pas au point;∎ the binoculars are in/out of focus les jumelles sont/ne sont pas au point;∎ bring the image into focus fais la mise au point, mets l'image au point∎ she was the focus of attention elle était le centre d'attention;∎ taxes are currently the focus of attention en ce moment, les impôts sont au centre des préoccupations;∎ the government is trying to shift the focus of the debate le gouvernement tente de déplacer le débat;∎ let's try and get the problem into focus essayons de préciser le problème;∎ the focus of the conference is on human rights le point central de la conférence, ce sont les droits de l'homme;∎ the organization will provide some kind of a focus for opposition to the project l'organisation fournira un point de ralliement à l'opposition au projet;∎ this became a focus of people's discontent le mécontentement s'est concentré là-dessus∎ to focus a camera (on sth) faire la mise au point d'un appareil photo (sur qch)∎ he couldn't focus his eyes il voyait trouble;∎ all eyes were focussed on him tous les regards étaient rivés sur lui(c) (direct → heat, light) faire converger; (→ beam, ray) diriger; figurative (→ attention, energies) concentrer; (→ interest, concern) centrer∎ I can't focus properly je vois trouble, je n'arrive pas à accommoder∎ the debate focussed on unemployment le débat était centré sur le problème du chômage;∎ his speech focussed on the role of the media son discours a porté principalement sur le rôle des médias
См. также в других словарях:
Beam tracing — is a derivative of the ray tracing algorithm that replaces rays, which have no thickness, with beams. Beams are shaped like unbounded pyramids, with (possibly complex) polygonal cross sections. Beam tracing was first proposed by Paul Heckbert and … Wikipedia
Beam — (b[=e]m), n. [AS. be[ a]m beam, post, tree, ray of light; akin to OFries. b[=a]m tree, OS. b[=o]m, D. boom, OHG. boum, poum, G. baum, Icel. ba[eth]mr, Goth. bagms and Gr. fy^ma a growth, fy^nai to become, to be. Cf. L. radius staff, rod, spoke of … The Collaborative International Dictionary of English
Beam center — Beam Beam (b[=e]m), n. [AS. be[ a]m beam, post, tree, ray of light; akin to OFries. b[=a]m tree, OS. b[=o]m, D. boom, OHG. boum, poum, G. baum, Icel. ba[eth]mr, Goth. bagms and Gr. fy^ma a growth, fy^nai to become, to be. Cf. L. radius staff, rod … The Collaborative International Dictionary of English
Beam compass — Beam Beam (b[=e]m), n. [AS. be[ a]m beam, post, tree, ray of light; akin to OFries. b[=a]m tree, OS. b[=o]m, D. boom, OHG. boum, poum, G. baum, Icel. ba[eth]mr, Goth. bagms and Gr. fy^ma a growth, fy^nai to become, to be. Cf. L. radius staff, rod … The Collaborative International Dictionary of English
Beam engine — Beam Beam (b[=e]m), n. [AS. be[ a]m beam, post, tree, ray of light; akin to OFries. b[=a]m tree, OS. b[=o]m, D. boom, OHG. boum, poum, G. baum, Icel. ba[eth]mr, Goth. bagms and Gr. fy^ma a growth, fy^nai to become, to be. Cf. L. radius staff, rod … The Collaborative International Dictionary of English
beam feather — Beam Beam (b[=e]m), n. [AS. be[ a]m beam, post, tree, ray of light; akin to OFries. b[=a]m tree, OS. b[=o]m, D. boom, OHG. boum, poum, G. baum, Icel. ba[eth]mr, Goth. bagms and Gr. fy^ma a growth, fy^nai to become, to be. Cf. L. radius staff, rod … The Collaborative International Dictionary of English
beam — [bēm] n. [ME < OE, a tree, piece of wood, column; akin to Ger baum, Du boom, tree] 1. Obs. the squared off trunk of a tree 2. a) a long, thick piece of wood, metal, or stone, used in building b) such a piece used as a horizontal support for a… … English World dictionary
rays of sunshine — beam of light and heat coming from the sun … English contemporary dictionary
beam — Synonyms and related words: AM signal, CRT spot, DM display, Doppler signal, FM signal, H beam, I beam, IF signal, IF video signal, IM display, RF amplifier, RF echoes, RF signal, RF stage, TV band, X ray, abutment, actinic ray, actinism,… … Moby Thesaurus
beam — ray, beam are comparable when they denote a shaft of light. This conception of light as a shaft is fixed in our language but is not always in keeping with modern scientific views of the nature of light. Ray suggests emanation from a center or… … New Dictionary of Synonyms
beam — beamless, adj. beamlike, adj. /beem/, n. 1. any of various relatively long pieces of metal, wood, stone, etc., manufactured or shaped esp. for use as rigid members or parts of structures or machines. 2. Building Trades. a horizontal bearing… … Universalium