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The vocal polyp had such acoustic characters as:hoarse, slight;
声带息肉的特征性指标为嘶哑声：轻度；
Objective To evaluate acoustic effects of laryngeal microsurgery on vocal polyp, vocal cyst and vocal leukoplakia.
目的分析声带息肉、声带囊肿和声带白斑喉显微手术前后声学特征的改变。
Observation of the parameters of acoustic analysis in patients after small vocal polyp operation with voice rest and no rest;
目的探讨慢性喉炎、声带小结、声带息肉病人嗓音声学参数的变化，评价嗓音声学参数对喉良性病变的诊断意义。
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