The upper confidence interval [29.9 dB,40.0 dB]; the Lower confidence interval [12.5 dB,16.5 dB].是什么意思_The upper confidence interval [29.9 dB,40.0 dB]; the Lower confidence interval [12.5 dB,16.5 dB].在线翻译_英语_读音_用法_例句