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通过对正常和病态噪音频域相对信噪比的数值分析，给出喉疾病粘膜类病变的两大特征，可用于分辨中轻程度声嘶噪音。
Through the numerical analysis of the relative signal-to-noise ratio in the normal and pathological noise frequency bands, two characteristics of the mucosal lesions of the laryngeal disease are given, which can be used to distinguish mild to moderate hoarseness noise.