long wave
noun/ˈlɒŋ weɪv/
/ˈlɔːŋ weɪv/
[uncountable, countable] (abbreviation LW)
- a radio wave with a length of more than 1 000 metres; the band of radio waves at this length, used for broadcasting
enlarge image（无线电）长波，长波频段 - on long wave to broadcast on long wave
用长波播送
- on long wave to broadcast on long wave