名词
中文翻译：频谱
同义词：
['spectrum', 'spectrum range', 'spectrum analysis']
例句：
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1. The radio wave spectrum is divided into different frequency bands.
无线电波谱被分为不同的频率带。
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2. The spectrum analyzer was used to identify the chemical composition of the sample.
光谱分析仪被用来鉴定样本的化学成分。
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3. The engineer used a spectrum analyzer to monitor the performance of the new device.
工程师使用光谱分析仪来监测新设备的性能。