名词
中文翻译：共振杆换能器
同义词：
['resonator', 'transducer例句：1. The resonant-bar transducer was used to measure the frequency of vibrations in the air.（共振杆换能器被用来测量空气中振动的频率。）2. The resonant-bar transducer was used to detect the presence of a foreign object in the air.（共振杆换能器被用来检测空气中是否存在外来物体。）']
例句：
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1. The resonant-bar transducer was used to measure the frequency of vibrations in the air.
共振杆换能器被用来测量空气中振动的频率。
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2. The resonant-bar transducer was used to detect the presence of a foreign object in the air.
共振杆换能器被用来检测空气中是否存在外来物体。
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3. The resonant-bar transducer was used to measure the temperature of the environment.
共振杆换能器被用来测量环境的温度。