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  1. Oxford Dictionary

    long wave

    • IPA[ˈlɒŋ weɪv]

    英式

    • n.
      a radio wave of a wavelength above one kilometre (and a frequency below 300 kHz)；broadcasting using radio waves of 1 to 10 km wavelength

    • noun: long wave, plural noun: long waves

    • 釋義

    名詞

    • 1. a radio wave of a wavelength above one kilometre (and a frequency below 300 kHz) long-wave radio
    • ▪ broadcasting using radio waves of 1 to 10 km wavelength listening to BBC Radio 4 on long wave