fluorspar - front of thrust
- frequency limit
- frequency panel
- frequency resolution
- frequency sounding
- frequency sounding curve
- frequency-dependent absorption
- frequency-dependent dispersion
- frequency-dependent parameter
- frequency-domain
- frequency-domain electromagnetic sounding
- frequency-domain imaging
- frequency-domain measurements
- frequency-domain migration
- frequency-domain modeling
- frequency-wavenumber domain
- frequency-wavenumber filter
- frequency-wavenumber filtering
- frequency-wavenumber migration
- fresh
- fresh air