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# geometrical axis

геометрическая ось

Англо-русский строительный словарь. 2013.

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• Geometrical frustration — is a phenomenon in condensed matter physics in which the geometrical properties of the atomic lattice forbid the existence of a unique ground state, resulting in a nonzero residual entropy. The most important consequence of this is that the… …   Wikipedia

• axis of symmetry — the line about which a geometrical figure or drawing is symmetric * * * 1. Math. a straight line for which every point on a given curve has corresponding to it another point such that the line connecting the two points is bisected by the given… …   Useful english dictionary

• geometrical pitch — noun : the distance an element of an airplane propeller would advance in one revolution if it were moving along a helix having an angle equal to that between the chord of the element and a plane perpendicular to the propeller axis …   Useful english dictionary

• Principal axis theorem — In the mathematical fields of geometry and linear algebra, a principal axis is a certain line in a Euclidean space associated to an ellipsoid or hyperboloid, generalizing the major and minor axes of an ellipse. The principal axis theorem states… …   Wikipedia

• optical axis — ▪ optics       the straight line passing through the geometrical centre of a lens and joining the two centres of curvature of its surfaces. Sometimes the optical axis of a lens is called its principal axis. The path of a light ray along this axis …   Universalium

• Optical axis — For the optic axis of a crystal, see Optic axis of a crystal. Optical axis (coincides with red ray) and rays symmetrical to optical axis (pair of blue and pair of green rays) propagating through different lenses. An optical axis is a line along… …   Wikipedia

• Off-axis optical system — An off axis optical system is an optical system in which the optical axis of the aperture is not coincident with the mechanical center of the aperture. An optical system in which the optical axis of the aperture is not coincident with the… …   Wikipedia

• major axis — n. (Geom.), The greater axis of a geometrical figure. Especially: the longest axis of an ellipse or ellipsoid, which passes through the two foci. See {Focus}, n., 2. [WordNet 1.5 +PJC] …   The Collaborative International Dictionary of English

• Vertical axis wind turbine — Vertical axis wind turbines (VAWT) are a type of wind turbine where the main rotor shaft runs vertically. Among the advantages of this arrangement are that generators and gearboxes can be placed close to the ground, and that VAWT do not need to… …   Wikipedia

• геометрическая ось реальной поверхности вращения — В качестве геометрической оси реальной поверхности вращения допускается принимать ось цилиндра наименьшего возможного диаметра, внутри которого располагается реальная ось в пределах нормируемого участка. [ГОСТ 24642 81] Тематики нормы… …   Справочник технического переводчика

• Geometrically frustrated magnet — Geometrical frustration and ice rules The word frustration was introduced to describe the situation where a system cannot simultaneously minimize the interaction energies between its components [cite journal last = Schiffer first = P. authorlink …   Wikipedia

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