|
Từ điển Oxford Learners Wordfinder Dictionary
radio emission
an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m (Freq. 16) • Syn: radio wave, radio radiation • Hypernyms: electromagnetic radiation, electromagnetic wave, nonparticulate radiation • Hyponyms: sky wave, ground wave, radio signal, carrier wave, carrier, short wave, medium wave, long wave • Part Holonyms: radio spectrum, radio-frequency spectrum
|
|
|
|