An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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reference frame
  چارچوب ِ بازبرد  
cârcub-e bâzbord
Fr.: système de référence  

A set of axes to which positions and motions in a system can be referred. Same as → frame of reference.

See also: → reference; → frame.