名词
中文翻译：噪声等效
同义词：
['noise equivalent power', 'noise equivalent level']
例句：
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1.The sound of the traffic noise is equivalent to that of a jet engine.
交通噪音的声级相当于喷气发动机的声级。
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2. The noise equivalent power of the loudspeaker is measured in decibels.
扬声器的噪声等效功率以分贝为单位测量。
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3. The noise equivalent level was reduced by 5 dB for better acoustic performance.
为了改善声学性能，噪声等效水平降低了5分贝。