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Other models of hyperbolic space can be thought of as map projections of S +: the Beltrami–Klein model is the projection of S + through the origin onto a plane perpendicular to a vector from the origin to specific point in S + analogous to the gnomonic projection of the sphere; the Poincaré disk model is a projection of S + through a point ...
SolidWorks (stylized as SOLIDWORKS) is a brand within Dassault Systèmes that develops and markets software for solid modeling computer-aided design (CAD), computer-aided engineering (CAE), 3D CAD design, collaboration, analysis, and product data management. [2] The company introduced one of the first 3D CAD applications designed to run on a ...
D 1h and C 2v: group of order 4 with a reflection in a plane and a 180° rotation through a line in that plane; D 1d and C 2h: group of order 4 with a reflection in a plane and a 180° rotation through a line perpendicular to that plane. S 2 is the group of order 2 with a single inversion (C i). "Equal" is meant here as the same up to conjugacy ...
In a plane, given an axis (line) and a point not on that axis, there is only one hypercycle through that point with the given axis (compare with Playfair's axiom for Euclidean geometry). No three points of a hypercycle are on a circle. A hypercycle is symmetrical to each line perpendicular to it.
The attitude of a lattice plane is the orientation of the line normal to the plane, [12] and is described by the plane's Miller indices. In three-space a family of planes (a series of parallel planes) can be denoted by its Miller indices (hkl), [13] [14] so the family of planes has an attitude common to all its constituent planes.
Mikhail Razvozhaev, the Russia-installed governor of the city of Sevastopol, said new traces of minor pollution required urgent elimination and declared a state of emergency in the city - giving ...
Jay-Z made rare comments about his wife Beyoncé and their three children after being accused in a civil lawsuit of raping a 13-year-old girl along with Sean "Diddy" Combs in 2000.. On Sunday, Dec ...
A cross-section of a solid right circular cylinder extending between two bases is a disk if the cross-section is parallel to the cylinder's base, or an elliptic region (see diagram at right) if it is neither parallel nor perpendicular to the base. If the cutting plane is perpendicular to the base it consists of a rectangle (not shown) unless it ...