名词
中文翻译：噪声比
同义词：
['noise level', 'noise intensity', 'sound pressure level']
例句：
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1. The engineer measured the noise ratio of the new device.
工程师测量了新设备的噪声比。
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2. The noise ratio is a critical factor in determining the quality of the music.
噪声比是决定音乐质量的关键因素。
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3. The noise ratio was reduced by using a more efficient filter.
使用更高效的过滤器降低了噪声比。