middle-aged and elderly population
middle-aged and elderly population
中老年人
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Parkinson disease (PD) is a common disease in the middle-aged and elderly population, which may affect their quality of life.
帕金森病(PD)是中老年人的常见病之一，严重危害中老年人的生活质量。
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