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01:29 Sep 3, 2001
French to English translations [Non-PRO] Tech/Engineering
The asker has declined this answer Comment: I finally think that "Orthogonal co-ordinates" is fine
Orthonormal reference point
Explanation: In my opinion that refers to a reference point to place any orthonormal set of coordinates, may be origin or somewhere else in space,may be reference point describes this fact.
Maybe a shift of original otrhonormal set.
However, Context is not sufficient to decide?
1964 Turkey Local time: 11:55 Native speaker of: Turkish PRO pts in pair: 294