您要查找的是不是：
- unlicensed wireless spectrum 不需注册的无线电频谱
- Last year, Google helped defeat broadcasters in a fight over whether unlicensed wireless gadgets can soon begin using vacant TV airwaves. 去年，在未授权无线产品是否能很快开始使用空闲电视广播波段一事上，谷歌帮助击败了广播公司。
- wireless spectrum resource management 无线频谱资源管理
- He sent me the news by wireless telegraph. 他用无线电报把消息告诉我。
- Wireless Spread Spectrum Communication and Its. 无线扩频通信及其应用。
- The survey covered a broad spectrum of topic. 这本简史涉及的话题范围很广。
- The police talked to each other by wireless. 警察用无线电通话。
- She sits up to all hours with her wireless. 她经常深夜不睡，听收音机。
- They have installed wireless apparatus on board. 他们已在船上安装了无线电设备。
- The news of the event was given out over the wireless. 那一事件的消息是通过无线电发表的。
- The police are weeding out the unlicensed pedler. 警察正在取缔无证商贩。
- Red and violet are at opposite ends of the spectrum. 红色和紫色位于光谱相对的两端。
- Wireless networking operates in the electromagnetic spectrum. 无线网络工作在电磁频谱中。
- One that operates an unlicensed, illegal television or radio station. 非法播放者未经允许而非法播放电视或广播的人
- The operation of an unlicensed, illegal radio or television station. 非法翻录，非法播放没有许可证，非法播放的电台或电视台
- There's a wide spectrum of opinions on this problem. 对这个问题的说法众说纷纭，莫衷一是。
- No unlicensed products were found. 没有找到没有许可证的产品。
- In the spectrum, distinct colours shade into each other. 在光谱中，截然不同的颜色相互融合起来。
- A loan shark is an unlicensed lender. 放高利贷者是无执照贷款人。
- The unlicensed prostitutes were usually poor women. 旧社会的暗门子通常都是些可怜的女人。
