surface de référence
71Tooth surface — The tooth surface (flank) forms the side of a gear tooth.1It is convenient to choose one face of the gear as the reference face and to mark it with the letter “I”. The other non reference face might be termed face “II”.For an observer looking at… …
72International Terrestrial Reference System — The International Terrestrial Reference System (ITRS) describes procedures for creating reference frames suitable for use with measurements on or near the Earth s surface. This is done in much the same way that a physical standard might be… …
73Elliptic surface — In mathematics, an elliptic surface is a surface that has an elliptic fibration, in other words a proper connected smooth morphism to an algebraic curve, almost all of whose fibers are elliptic curves. The fibers that are not elliptic curves are… …
74Orbital surface — may refer to: Orbitofrontal cortex Orbital surface of body of maxilla Orbital Surface of Body (maxilla) is the surface of the bone that contributes to the wall of the orbit This disambiguation page lists articles associated with the same title.… …
75Datum reference — are a concept used in carpentry, metalworking, needlework, Geometric dimensioning and tolerancing (GD T) and similar activities. In carpentry, an alternative, more common name is face side and face edge . The artisan nominates two straight edges… …
76Total body surface area — (TBSA) is an assessment measure of burns of the skin. In adults, the rule of nines is used to determine the total percentage of area burned for each major section of the body. [ [http://www.emedicinehealth.com/burn percentage in adults rule of… …
77Global Area Reference System — The Global Area Reference System is a standardized geospatial reference system proposed by the National Geospatial Intelligence Agency (NGA) for use across the United States Department of Defense. It is somewhat similar to the Military grid… …
78Center of a surface — Center Cen ter, n. [F. centre, fr. L. centrum, fr. round which a circle is described, fr. ? to prick, goad.] 1. A point equally distant from the extremities of a line, figure, or body, or from all parts of the circumference of a circle; the… …
79US Climate Reference Network — The US Climate Reference Network (USCRN) Program was begun in 2002 and remains under construction with an expected completion date in late 2008. It has the long term commitment of the Department of Commerce (DOC) and the National Oceanic and… …
80Sea Surface full of Clouds — is a poem from the second, 1931,edition of Wallace Stevens s first book of poetry, Harmonium. It was firstpublished in 1924, so it is restricted by copyright. However, briefparts of it are quoted here as , and the whole poem is available… …
