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03:02 Jul 30, 2007
English to Portuguese translations [PRO] Tech/Engineering - Computers: Software / CAD Drawing
English term or phrase:datum location
Using objects to lay out your drawing in AutoCAD 2008 for Pt-Br.
"You can use point objects to mark exact points in a drawing. In fact, the Divide and Measure commands use points as markers. Point objects can be helpful in surveying to mark off datum locations or waypoints, for example."
Veja as informações que consegui sobre datum:
Do Random House Unabridged Dictionary:
Survey., Civ. Eng. any level surface, line, or point used as a reference in measuring elevations.
Survey. a basis for horizontal control surveys, consisting of the longitude and latitude of a certain point, the azimuth of a certain line from this point, and two constants used in defining the terrestrial spheroid.
"A datum is a theoretically exact plane, axis, line, or point. A datum does not actually exist on a workpiece or tool since these items have imperfections. Datums are located from the inexact features on a part. The imperfect features on a workpiece that are used to establish a datum location or orientation are known as datum features. Datum features are physical entities."