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long wave

noun

🔊/ˈlɒŋ weɪv/

🔊/ˈlɔːŋ weɪv/

[uncountable, countable]

(abbreviation LW)

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a radio wave with a length of more than 1 000 metres; the band of radio waves at this length, used for broadcasting 长波
- on long wave to broadcast on long wave 用长波播送
compare short wave