- spherical area
- (mat) suprafaţa sferei
English-Romanian technical dictionary. 2013.
spherical area
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Spherical trigonometry — Spherical triangle Spherical trigonometry is a branch of spherical geometry which deals with polygons (especially triangles) on the sphere and the relationships between the sides and the angles. This is of great importance for calculations in… … Wikipedia
Area Denial Artillery Munition — (ADAM) is a family of US land mines and 155 mm artillery projectiles. The mines carried by these projectiles are the M67 long duration anti personnel mines and M72 short duration anti personnel landmines. The duration refers to the self destruct… … Wikipedia
Spherical harmonics — In mathematics, the spherical harmonics are the angular portion of an orthogonal set of solutions to Laplace s equation represented in a system of spherical coordinates. Spherical harmonics are important in many theoretical and practical… … Wikipedia
Spherical Earth — Medieval artistic representation of a spherical Earth with compartments representing earth, air, and water (c. 1400). The concept of a spherical Earth dates back to ancient Greek philosophy from around the 6th century BC … Wikipedia
Spherical cap — In geometry, a spherical cap is a portion of a sphere cut off by a plane. If the plane passes through the center of the sphere, so that the height of the cap is equal to the radius of the sphere, the spherical cap is called a hemisphere .If the… … Wikipedia
Spherical mean — In mathematics, the spherical mean of a function around a point is the average of all values of that function on a sphere of given radius centered at that point. DefinitionConsider an open set U in the Euclidean space mathbb R^n and a continuous… … Wikipedia
Spherical design — A spherical design, part of combinatorial design theory in mathematics, is a finite set of points on the d dimensional unit hypersphere Sd such that the average value of any polynomial f of degree t or less on the set equals the average value of… … Wikipedia
Spherical bearing — A spherical bearing is a bearing that permits angular rotation about a central point in two orthogonal directions within a specified angular limit based on the bearing geometry. Typically these bearings support a rotating shaft in the [bore] of… … Wikipedia
Spherical excess — Excess Ex*cess , n. [OE. exces, excess, ecstasy, L. excessus a going out, loss of self possession, fr. excedere, excessum, to go out, go beyond: cf. F. exc[ e]s. See {Exceed}.] 1. The state of surpassing or going beyond limits; the being of a… … The Collaborative International Dictionary of English
spherical degree — a unit of relative surface area for spheres, equal to 1/720 the total surface area or pi·R2/180, where R is the radius of the sphere. Thinking in terms of the Earth s surface, this is the area of the region in one hemisphere (northern or… … Dictionary of units of measurement
Quadrilateralized Spherical Cube — The quadrilaterlized spherical cube, or quad sphere for short, is an equal area mapping and binning scheme for data collected on a spherical surface (either Earth data or the celestial sphere). It was first proposed by Chan and O Neill in 1975… … Wikipedia
