名词
中文翻译：Unknown
同义词：
['line transmission spectrum', 'line transmission frequency range', 'line transmission frequency band例句：1. The engineer used a spectrum analyzer to determine the exact frequency of the signal.（工程师使用频谱分析仪来确定信号的确切频率。）']
例句：
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1. The engineer used a spectrum analyzer to determine the exact frequency of the signal.
工程师使用频谱分析仪来确定信号的确切频率。
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2.The scientist analyzed the spectrum to identify the chemical composition of the sample.
科学家分析谱线以确定样本的化学成分。
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3. The radio engineer tuned the spectrum to match the desired frequency.
无线电工程师调整频谱以匹配所需的频率。