sectional plane

sectional plane
плоскость сечения

English-russian automobile dictionary. 2013.

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  • Sectional curvature — In Riemannian geometry, the sectional curvature is one of the ways to describe the curvature of Riemannian manifolds. The sectional curvature K(σp) depends on a two dimensional plane σp in the tangent space at p. It is the Gaussian curvature of… …   Wikipedia

  • sectional — section ► NOUN 1) any of the more or less distinct parts into which something is divided or from which it is made up. 2) a distinct group within a larger body of people or things. 3) the shape resulting from cutting a solid by or along a plane.… …   English terms dictionary

  • Monochromatic electromagnetic plane wave — In general relativity, the monochromatic electromagnetic plane wave spacetime is the analog of the monochromatic plane waves known from Maxwell s theory. The precise definition of the solution is a bit complicated, but very instructive. Any exact …   Wikipedia

  • Complex projective plane — In mathematics, the complex projective plane, usually denoted CP2, is the two dimensional complex projective space. It is a complex manifold described by three complex coordinates where, however, the triples differing by an overall rescaling are… …   Wikipedia

  • Upper half-plane — In mathematics, the upper half plane H is the set of complex numbers with positive imaginary part y: The term is associated with a common visualization of complex numbers with points in the plane endowed with Cartesian coordinates, with the Y… …   Wikipedia

  • cross-sectional — adjective 1. of or relating to a cross section (Freq. 2) a cross sectional slice • Pertains to noun: ↑cross section • Derivationally related forms: ↑cross section 2. representing a plane made by cutting across something at right angles to its… …   Useful english dictionary

  • cross-sectional imaging — any technique that produces an image in the form of a plane through the body with the structures cut across. The main techniques are ultrasonography, computerized tomography, magnetic resonance imaging, and some nuclear medicine techniques (see… …   Medical dictionary

  • cross-sectional imaging — any technique that produces an image in the form of a plane through the body with the structures cut across. The main techniques are ultrasonography, computerized tomography, magnetic resonance imaging, and some nuclear medicine techniques (see… …   The new mediacal dictionary

  • Angular spectrum method — The angular spectrum method is a technique for modeling the propagation of a wave field. This technique involves expanding a complex wave field into a summation of infinite number of plane waves. Its mathematical origins lie in the field of… …   Wikipedia

  • tomography — Making of a radiographic image of a selected plane by means of reciprocal linear or curved motion of the x ray tube and film cassette; images of all other planes are blurred (“out of focus”) by being relatively displaced on the film. SYN:… …   Medical dictionary

  • Mathematics and art — have a long historical relationship. The ancient Egyptians and ancient Greeks knew about the golden ratio, regarded as an aesthetically pleasing ratio, and incorporated it into the design of monuments including the Great Pyramid,[1] the Parthenon …   Wikipedia


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