An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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equivalent positions
  نهش‌های ِ هموگ‌ارز  
nehešhâ-ye hamug-arz
Fr.:  

Complete set of points in any given space group which are obtained by performing the symmetry operations of the space group on a single point (x, y, z).

See also: → equivalent; → position.