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