名词
中文翻译：扫频反射仪
同义词：
['swept frequency analyzer', 'swept frequency spectrometer']
例句：
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1. The sweep frequencyreflectometer was used to measure the vibration of the building.
扫频反射仪被用来测量建筑物的振动。
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2. The sweep frequency reflectometer was used to detect the presence of pollutants in the air.
扫频反射仪被用来检测空气中污染物的存在。
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3. The sweep frequency reflectometer was used to study the behavior of molecules in a gas.
扫频反射仪被用来研究气体分子的行为。