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肺脏具有较大的代偿能力。阻塞性肺气肿病人一旦出现症状或临床诊断此病多属本病的晚期。因此,研究如何能早期发现肺气肿,这将是一个非常重要的课题,肺功能测定对其早期诊断具有重要意义。
Lungs have greater compensatory ability. Obstructive emphysema in patients with symptoms or clinical diagnosis of the disease are mostly later in the disease. Therefore, it will be a very important issue to study how to detect emphysema at an early stage. The determination of pulmonary function is of great significance to its early diagnosis.