An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 1 Search : narrow band
narrow band
  باند ِ باریک، باریک‌باند   
bând-e bârik (#), bârik-bând (#)

Fr.: bande étroite   

Optics: Of a filter, same as → interference filter.
Radio.: Encompassing a small frequency range, typically less than 300 Hz.

narrow; → band.