Hledat
Short wave
01
krátká vlna, vysokofrekvenční vlna
a radio wave that has a frequency between 3 and 30 MHz, and a wavelength between 10 to 100 meters, used for broadcasting
Příklady
Short wave signals can travel thousands of miles by bouncing off the Earth's atmosphere.
Krátkovlnné signály mohou cestovat tisíce mil odrazem od zemské atmosféry.



























