the distance between two waves of energy, or the length of the radio wave used by a particular radio station for broadcasting programmes波长;(广播电台占用的)频道,波段
Because of their long wavelengths, mega-tsunamis are extremely destructive when they hit a coastline. 因为其很长的波长,超级海啸袭击海岸线时具有极度的破坏性。
The station is broadcast on the FM wavelength.该电台用调频广播。