名词
中文翻译：声级校准器同义词
同义词：
['sound level meter', 'sound level gauge']
例句：
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1. The engineer used the sound level calibrator to measure the noise levels in the factory.
工程师使用声级校准器测量工厂的噪音水平。
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2. The sound level calibrator was used to ensure that the recording equipment was functioning properly.
使用声级校准器确保录音设备正常工作。
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3. The sound level calibrator was used to adjust the volume of the audio signal for optimal listening experience.
使用声级校准器调整音频信号的音量，以获得最佳的听感体验。