double frequency

frequency   free frequency   double insurance   double point tax   frequency changer   intermediate frequency   frequency response function   double-end bolt   double hung window   double current generator   double circuit tower   beat-frequency oscillator   flood frequency   medium frequency wave   standard frequency   frequency multiplier   subsonic frequency   frame frequency   wide frequency electron tube   audio frequency amplifier   frequency stabilisation   law of frequency   audible frequency range   continuous frequency distribution   frequency pulling   secondary frequency standard   double-beam in-time spectrometer   element of double financing   double oscillograph   double-threaded screw   double line   double recessive   double-dovetail key   double-bellied file   double transmitter   double current telegraphy   double-cover butt joint   cash under double lock   double decker bus   double J groove weld   double-angle point   double-indicator titration   double-focusing mass spectrometer   double coconut   double-geared   double-heat valve   double-monstern   double header   Double payment   double factorial symbol   absolute frequency   collision frequency   column frequency   critical flicker-fusion frequency   critical frequency   double partition   field frequency   frame frequency   fundamental frequency   impulse frequency   line frequency   Nyquist frequency   Raman frequency   reduced natural frequency   statistical frequency   subsonic frequency   video frequency   wave frequency