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overhead projection

См. также в других словарях:

  • Overhead projector — in operation during a classroom lesson An overhead projector is a variant of slide projector that is used to display images to an audience. Contents 1 Mechanism …   Wikipedia

  • overhead — adv. /oh veuhr hed /; adj., n. /oh veuhr hed /, adv. 1. over one s head; aloft; up in the air or sky, esp. near the zenith: There was a cloud overhead. 2. so as to be completely submerged or deeply involved: to plunge overhead in water; to sink… …   Universalium

  • Projection screen — Home theater projection screen displaying a high definition television image A projection screen is an installation consisting of a surface and a support structure used for displaying a projected image for the view of an audience. Projection… …   Wikipedia

  • overhead projector — Projector Pro*ject or, n. [Cf. F. projeteur.] 1. One who projects a scheme or design; hence, one who forms fanciful or chimerical schemes. L Estrange. [1913 Webster] 2. an optical instrument which projects an image from a transparency or an… …   The Collaborative International Dictionary of English

  • overhead projector — Projector Pro*ject or, n. [Cf. F. projeteur.] 1. One who projects a scheme or design; hence, one who forms fanciful or chimerical schemes. L Estrange. [1913 Webster] 2. an optical instrument which projects an image from a transparency or an… …   The Collaborative International Dictionary of English

  • Projection — Contents 1 Chemistry 2 Mathematics 3 Other 4 See also …   Wikipedia

  • Projection panel — A Projection panel is a device that, although no longer in production, was used as a data projector is today.It works with an overhead projector (OHP). The panel consists of a translucent LCD, and a fan to keep it cool. The projection panel sits… …   Wikipedia

  • Transparency (projection) — A transparency is a thin sheet of transparent flexible material, typically cellulose acetate, onto which figures can be drawn. These are then placed on an overhead projector for display to an audience. This system is still found in schools, but… …   Wikipedia

  • abseiling — n. process of descending on a fixed rope, act of descending a mountain face by sliding down a rope which is fastened to an overhead projection (Mountain Climbing) ab·seil || æbseɪl, saɪl n. method of descending a mountain face by sliding down …   English contemporary dictionary

  • abseil — ab·seil || æbseɪl, saɪl n. method of descending a mountain face by sliding down a rope which is fastened to an overhead projection (Mountain Climbing) v. rappel, descend a mountain face by sliding down a rope which is fastened to an overhead… …   English contemporary dictionary

  • abseiled — ab·seil || æbseɪl, saɪl n. method of descending a mountain face by sliding down a rope which is fastened to an overhead projection (Mountain Climbing) v. rappel, descend a mountain face by sliding down a rope which is fastened to an overhead… …   English contemporary dictionary

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