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- A lithium niobate anisotropic acousto-electro-optic spectrum analysor with central frequency 60 MHz was made. Its central frequency can be changed from 50 MHz to 70 MHz and its bandwidth can be increase from 26 MHz to 37 MHz. 用LiNbO3制作了一个60MHz的反常声电光频谱分析器件，测试结果表明，器件中心频率可以由50MHz变到70MHz，频带宽度由原来的26MHz扩大到37MHz。
- The survey covered a broad spectrum of topic. 这本简史涉及的话题范围很广。
- spectrum analysor 频谱分析器, 光谱分析器
- Red and violet are at opposite ends of the spectrum. 红色和紫色位于光谱相对的两端。
- 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。
- 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。
- There is a wide spectrum of opinions on this question. 在这个问题上有著各种不同的意见。
- It uses spread spectrum technology. 它使用扩频技术。
- The survey covered a broad spectrum of topics . 这本简史涉及的话题范围很广。
- They called it @cosmic spectrum green. 他们称之为“宇宙绿”。
- A filter whose transfer function is matched with the frequency spectrum function of input signal. 其传递函数与输入信号的频谱函数相匹配的一种滤波器。
- Wireless Spread Spectrum Communication and Its. 无线扩频通信及其应用。
- Doing More with Less Spectrum: We should Be Heroes! 用较少的频谱!
- Effects of Noise and Music on EEG Power Spectrum. 噪声和音乐对脑电功率谱的影响。
- Study of Spread Spectrum Receiver. 扩频接收机的研究。
- Spectrum Challenges Threaten Flight Safety. 无线电频谱问题威胁飞行安全。
- The Keys of Light created Colors in Spectrum. 光之钥匙创造了频谱颜色。
- Number of Stars; Electromagnetic Spectrum Limit. 恒星数、电磁波谱极限.
- The product structure was analyzed by IR spectrum. 并对产物进行了红外分析。
- Are Spectrum Auctions a Good Idea? 14电信频谱拍卖是件好事吗?
