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a two-dimensional graphic representation of an object in which the projecting lines are at right angles to the plane of the projection.
Also called orthogonal projection.
Compare (def 5).
a style of engineering drawing in which true dimensions are represented as if projected from infinity on three planes perpendicular to each other, avoiding the effects of perspective
a type of zenithal map projection in which the area is mapped as if projected from infinity, with resulting distortion of scale away from the centre


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