nonlinear torsional wave
nonlinear torsional wave equation
torsional hydromagnetic
attenuation of hydromagnetic wave
compression hydromagnetic wave
Nonlinear Wave-wave Interaction
hybrid wave of vortex wave and inertia-gravitational wave
refracted wave; refraction of wave; refraction wave
accumulative frequency of wave height in a wave train
compression wave， P-wave
compressional wave and shear wave
Continuous spike-and-wave during slow wave sleep
dilatational wave， P-wave
distortional wave [= distorted wave]