名词
中文翻译：噪声改善因子
同义词：
['noise reduction factor', 'noise level improvement factor']
例句：
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1. The engineer calculated the noise improvement factor for the new soundproofing material.
工程师计算了新型隔音材料的噪声改善因子。
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2.The team used this noise improvement factor to optimize their noise-cancelling system.
团队利用这个噪声改善因子来优化他们的降噪系统。
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3. The noise improvement factor is crucial for ensuring a comfortable environment in a noisy workplace.
噪声改善因子对于确保嘈杂工作环境中舒适的环境至关重要。