搜尋結果
radio wave
- IPA[ˈrādēˌō wāv]
美式
- an electromagnetic wave of a frequency between about 104 and 1011 or 1012 Hz, as used for long-distance communication.
noun: radio wave, plural noun: radio waves
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英式
- an electromagnetic wave of a frequency between about 104 and 1011 or 1012 Hz, as used for ...
Oxford Dictionary