Terms for subject Earth sciences containing filtro A

Italian	English
filtro A	A-weighting network
filtro a bagno d'olio	oil bath filter
filtro a farina fossile	siliceous earth filter
filtro a farina fossile	kieselguhr filter
filtro a film sottile	quarter wavelength
filtro a film sottile	thin-film layer
filtro a film sottile	lambda/4 layer
filtro a interferenza	interference filter
filtro a mezzo ottava	half-octave band filter
filtro a persiana	slot filter
filtro a terzi di ottava	third octave band filter
filtro calibrato a banda ottica	optical band pass filter
filtro di banda a ottava	octave band filter
filtro grigio a gradini	neutral step wedge
filtro ottico a banda stretta	narrow band optical filter