довгі / кілометрові (радіо)хвилі
electromagnetic waves
high-frequency sound waves
decametric waves
decimetric waves
ground waves
hectometric waves
long waves
metric waves
middle waves
Prandtl relation for normal shock waves
short waves
sky waves
space waves
diffraction task for electromagnetic waves
electric properties of object and propagation medium for electromagnetic waves
attack in waves
direction of waves, swells or seas