frontal(frontal)apron-plain
hybrid wave of vortex wave and inertia-gravitational wave
accumulative frequency of wave height in a wave train
compressional wave and shear wave
Fast wave and slow wave
Kelvin wave and Rossby wave
P wave and Pn wave velocities
phase velocities of Love wave and Rayleigh wave
separating compressional wave from shear wave
separation of P wave and S wave
standing wave and travelling wave
technique for separating fast wave from slow wave
Acute frontal sinusitis
ascending frontal bristle
ascending frontal bristles
bilateral frontal contusion and laceration
Bilateral frontal lobe laceration
blind frontal duplex structures
Bruise of bilateral frontal lobes