目的研究腭裂术后不同语音清晰度患者元音共振峰模式的差异，以及元音第三共振峰同腭咽闭合不全率的关系。

AIM to study the spectrum features of formant pattern of vowel and the relationship between RVPI and F3 in postoperative patients.

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背景：缺血性心肌病患者伴肾功能不全、获得性心衰意味着更高的患病率和死亡率。

Background - : Renal insufficiency in patients with ischemic heart disease and acquired heart failure is associated with higher mortality and morbidity.

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和急性跟腱损伤一样，陈旧性跟腱断裂已经变得较为常见，其发生率高并常伴随相当程度的功能不全。

They have become more common as acute Achilles tendon injuries have become more frequent, and they are associated with considerable functional morbidity.

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