名词中文翻译
中文翻译：声学减少指数
同义词：
['acoustic reduction index', 'sound attenuation index']
例句：
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1. The soundreduction index of the new hearing aid is significantly higher than that of the old one.
新型助听器的声学减少指数明显高于旧款。
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2. The acoustics of the room were so poor that we could barely hear each other speak.
房间的声学效果很差，我们几乎听不清对方说话。
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3.The sound reduction index is a crucial factor in determining the effectiveness of noise-cancelling headphones.
声学减少指数是决定降噪耳机效果的关键因素。