Radio. Applied to radio waves significantly shorter than the usual ‘short waves’: in modern use, shorter than 10 metres, corresponding to a…
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| 单词 | θ197876 |
| 释义 | society > communication > telecommunication > radio communications > [adjective] > type of wave (6) ultra-short1926 Radio. Applied to radio waves significantly shorter than the usual ‘short waves’: in modern use, shorter than 10 metres, corresponding to a… Subcategories:— used to guide aircraft or missiles (1) — short waveband for private communication (2) — specific frequency (1) — effect on waves (1) |
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