radio spectrum中文什么意思

【无线电】射频频谱。

• radio:    n. 1.无线电讯[电报，电话]；无 ...
• spectrum:    n. (pl. -tra ) 1.【 ...
• radio-spectrum:    射频频谱

例句与用法

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1. The radio spectrum and its management
   无线电频谱及它的管理
2. The radio spectrum used in narrowband personal communications services ( pcs )
   用于窄带个人通信业务（ pcs ）的无线频谱。
3. Ofta publishes spectrum release plan to increase transparency in radio spectrum supply
   电讯局公布频谱供应表以提高频谱供应的透明度
4. There may not be enough radio spectrum to go around as demand grows
   并且，随着需求量的增长，也许会没有足够多的无线电频谱来满足每个人的需要。
5. Like a deity , radio spectrum is invisible , omnipresent and commands awesome power
   无线电波像神明一样，无法看到而又无处不在，并拥有让世人敬畏的力量。

英文释义

名词

1. the entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television
   同义词：radio-frequency spectrum

百科释义

Radio spectrum refers to the part of the electromagnetic spectrum corresponding to radio frequencies ? that is, frequencies lower than around 300?GHz (or, equivalently, wavelengths longer than about 1?mm).