并分别于治疗前和治疗后10天测试患者的听力。
The hearing threshold of all the patients were measured before and after treatment every 3 days.治疗前和治疗后每3天进行一次纯音听力测试。
Normal hearing people's hearing threshold value under different background noises had significant difference.环境中,健听人的听阈值具有显著性差异。