- Отрасли: Earth science
- Number of terms: 93452
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Founded in 1941, the American Congress on Surveying and Mapping (ACSM) is an international association representing the interests of professionals in surveying, mapping and communicating spatial data relating to the Earth's surface. Today, ACSM's members include more than 7,000 surveyors, ...
The ranking of boundaries of civil units to indicate which boundary should be shown when two or more boundaries overlap on a map. For example, where a national boundary coincides with a state boundary, only the national boundary is shown on the map. In general, the boundary of one political unit takes place over the boundary of a lower political unit and is preceded by the boundary of a higher political unit.
Industry:Earth science
An assertion of title, right, or special privilege of beneficial use of the surface, or an underground land-or-water region by one party in opposition to that of another, wherein judicial opinion may be required on the conformity with state law (or, if public land of the United States of America are involved, an adjudication by the Secretary of the Interior).
Industry:Earth science
A photographic emulsion capable of producing colored pictures. The emulsion usually consists of several layers of emulsion each sensitive to a different part of the spectrum (not necessarily the optical portion).
Industry:Earth science
A coordinate in a Cartesian coordinate system. In 2 dimensional space, the coordinates are commonly designated by (x, y) or (x<sub>1</sub>, x<sub>2</sub>). In three- dimensional space, they are commonly designated by (x,y,z), (χ, η, ζ), (x<sub>1</sub>, x<sub>3</sub>, x<sub>x</sub>) or (x<sub>1</sub>, x<sub>. </sub>, x<sub>3</sub>). The last of these is the most usual if tensors are being used.
Industry:Earth science
A composite in which the images making up the composite are shown in different colors.
Industry:Earth science
A large-scale aeronautical chart designed for contact flight in a congested region.
Industry:Earth science
(1) A body which returns to its original size and shape after being deformed slightly. (2) A body which yields, under stress, according to Hooke's law. Do not confuse an elastic body with a rigid body. A rigid body does not yield at all.
Industry:Earth science
That point, in the plane of a circle, which is equidistant from all points of the circle. Lines drawn from the center of circle to points on the circle are called radii.
Industry:Earth science
(1) The formula which relates the time (sidereal) Ttrue of passage of a star through the astronomical meridian to the observed time Tobs of passage through the telescope's vertical cross hair, to the declination δ of the star and to the constants m, n and c which are functions of instrumental errors a and b, as follows:
Industry:Earth science
