An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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geodetic datum
  داده‌بن ِ زمین‌سنجیک  
dâdebon-e zamin-sanjik
Fr.: donnée géodésique  

Any of the adopted values of → geodetic latitude, → geodetic longitude, or → azimuth at a selected location (an initial station) whose astronomical coordinates have already been determined.

See also: → geodetic; → datum.