- level refraction
- рефракция визирного луча, нивелирная рефракция
Англо-русский словарь промышленной и научной лексики. 2014.
level refraction
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Automated Refraction System — An automated refraction system is a group of ophthalmic devices used during an eye examination to aid in the determination of a person s refractive error and prescription for glasses or contact lenses. The standard components of an automated… … Wikipedia
Levelling refraction — refers to the systematic refraction effect distorting the results of line levelling over the Earth s surface.In line levelling, short segments of a line are levelled by taking readings through a level from two staffs, one fore and one behind. By… … Wikipedia
Bedford Level experiment — The Bedford Level Experiment was a series of observations carried out along a six mile length of the Old Bedford River on the Bedford Level, Norfolk, England, during the nineteenth and early twentieth centuries. It was an attempt to demonstrate… … Wikipedia
radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
Horizon — For other uses, see Horizon (disambiguation). A water horizon, in northern Wisconsin, U.S. The horizon (or skyline) is the apparent line that separates earth from sky, the line that divides all visible directions into two categories: those that… … Wikipedia
Airmass — For air mass in meteorology, see air mass .In astronomy, airmass is the optical path length through Earth s atmosphere for light from a celestial source.As it passes through the atmosphere, light isattenuated by scattering and absorption; the… … Wikipedia
sound — sound1 soundable, adj. /sownd/, n. 1. the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. 2. mechanical vibrations transmitted through an elastic medium, traveling in air at a… … Universalium
Sound — /sownd/, n. The, a strait between SW Sweden and Zealand, connecting the Kattegat and the Baltic. 87 mi. (140 km) long; 3 30 mi. (5 48 km) wide. Swedish and Danish, Oresund. * * * I Mechanical disturbance that propagates as a longitudinal wave… … Universalium
Superlens — A superlens, super lens or perfect lens is a lens which uses metamaterials to go beyond the diffraction limit. The diffraction limit is an inherent limitation in conventional optical devices or lenses.[1] In 2000, a type of lens was proposed,… … Wikipedia
Levelling — For other uses, see Levelling (disambiguation). Single levelling redirects here. For other uses, see Single level (disambiguation). Levelling or leveling is a branch of surveying, the object of which is 1) To find the elevation of a given point… … Wikipedia
Weather radar — in Norman, Oklahoma with rainshaft … Wikipedia
