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慢性阻塞性肺疾病( chronic obstructive pul-monary disease, COPD)是具有气流阻塞特征的慢性支气管炎和/或肺气肿[1],由于其发病率高,严重影响患者的劳动能力和生活质量,是倍受重视与广泛研究的疾病。为便于开展COPD的
Chronic obstructive pulmonary disease (COPD) is a chronic bronchitis and / or emphysema with airflow obstruction [1]. Due to its high incidence, COPD seriously affects the patient’s ability to work and the quality of life. It is a disease that is valued and extensively studied. To facilitate the development of COPD