thresholds of most comfortable level
... most comfortable loudness level 最适响度级,最舒适音量,最舒适响度级 of most comfortable level thresholds 最舒适阈 thresholds of most comfortable level 最舒适阈 ...
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thresholds of most comfortable level
最舒适水平的阈值
以上为机器翻译结果，长、整句建议使用 人工翻译 。