[医][=octave band of noise]噪声倍频带,噪声音阶频带;
Method Two experimental groups of guinea pigs were conditioned using a 0.5 kHz octave band noise ( OBN) at 85 dB, 6 h/ d for 4 d. The subjects were allowed to recover for 3 d after conditioning.
方法两组声预处理组豚鼠在中心频率0.5kHz85dB倍频带噪声作用下,连续暴露4d(6h/d)后,在无噪声情况下恢复3d。
Two control groups received 0.5 kHz and 1 kHz OBN respectively at 110 dB for 1 h without prior sound conditioning.
两组对照组豚鼠不经声预处理,分别直接暴露在中心频率0.5KHz和1KHz110dB的信频带噪声下,暴露1h。
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