名词
中文翻译：Unknown
同义词：
['acoustician', 'sound analyzer', 'spectrograph']
例句：
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1. The acoustician used a microphone to record the sound of the bird.
声学家使用麦克风来记录鸟的声音。
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2. The sound analyzer helped identify the source of the noise in the factory.
声谱仪帮助确定了工厂中噪音的来源。
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3. The spectrograph showed the different frequencies present in the sound.
频谱仪显示了声音中存在的不同频率。