Subjects in conditioning group were exposed to an octave band of noise(OBN) centered at 0.5kHz,95dB SPL,6 h per day for 10 days.

 
  • 適應組先在實(shí)驗室內暴露于強度為95 dB SPL(聲壓級);中心頻率為0.;5 kHz的一個(gè)倍頻程噪聲;連續10 d;每天6 h;
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