如果你发声困难，你就会明白什么是发声困难了。这种失调的症状更通俗的名字是嘶哑。

If using your voice is difficult, then you know what dysphonia is. The more common name for this disorder is hoarseness.

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手术治疗25例，术后15例发音恢复正常，10例有不同程度声音嘶哑或发声低沉。

Of the 25 patients 15 of them had normal phonation after operation, 10 of them still had differently roughness of voice.

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