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  2. Scale height - Wikipedia

    en.wikipedia.org/wiki/Scale_height

    A schematic depiction of the force balance in a gas disk around a central object, e.g., a star. For a disk of gas around a condensed central object, such as, for example, a protostar, one can derive a disk scale height which is somewhat analogous to the planetary scale height.

  3. CAD standards - Wikipedia

    en.wikipedia.org/wiki/CAD_standards

    A-37420-T2N01B113B23pro (ISO13567: agent Architect, element Roof Window in SfB, presentation Text#2, New part, floor 01, block B1, phase 1, projection 3D, scale 1:5(B), work package 23 and user definition "pro"); A-G25---D-R (ISO13567: agent Architect, element wall in Uniclass, presentation dimensions, status Existing to be removed);

  4. Category:CAD file formats - Wikipedia

    en.wikipedia.org/wiki/Category:CAD_file_formats

    G - BRL-CAD standard solid modeling open format including support for primitives, attributes, and arbitrary data storage; See also: Computer-aided design; CAD data exchange; Comparison of CAD, CAM and CAE file viewers; Electronic design automation

  5. ISO 13567 - Wikipedia

    en.wikipedia.org/wiki/ISO_13567

    The standard is divided into three parts: ISO 13567-1:2017 [1] Technical product documentation — Organization and naming of layers for CAD — Part 1: Overview and principles

  6. Isometric projection - Wikipedia

    en.wikipedia.org/wiki/Isometric_projection

    The term "isometric" comes from the Greek for "equal measure", reflecting that the scale along each axis of the projection is the same (unlike some other forms of graphical projection). An isometric view of an object can be obtained by choosing the viewing direction such that the angles between the projections of the x , y , and z axes are all ...

  7. Geometric dimensioning and tolerancing - Wikipedia

    en.wikipedia.org/wiki/Geometric_dimensioning_and...

    Example of true position geometric control defined by basic dimensions and datum features. Geometric dimensioning and tolerancing (GD&T) is a system for defining and communicating engineering tolerances via a symbolic language on engineering drawings and computer-generated 3D models that describes a physical object's nominal geometry and the permissible variation thereof.

  8. AOL Video - Serving the best video content from AOL and ...

    www.aol.com/video/view/how-to-use-coordinates-to...

    The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.

  9. Reference atmospheric model - Wikipedia

    en.wikipedia.org/wiki/Reference_atmospheric_model

    The increase in altitude necessary for P or ρ to drop to 1/e of its initial value is called the scale height: H = R T M g 0 {\displaystyle H={\frac {RT}{Mg_{0}}}} where R is the ideal gas constant, T is temperature, M is average molecular weight, and g 0 is the gravitational acceleration at the planet's surface.