... expiration of the service value ==> 超过租赁资产已服务的价值 expiratory air ==> 呼出气 expiratory center ==> 呼气中枢 ...
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expiratory alveolar air 呼气时肺泡气
Results Expiratory scans showed evidence of air trapping, when inspiratory scan and PFTs were normal.
结果病例组在呼气末图像上发现有空气残留，而吸气末正常。
Objective To assess the findings on inspiratory and expiratory lung HRCT in COPD and to quantify the extension of air trapping on expiratory HRCT.
目的分析慢性阻塞性肺疾病（COPD）患者吸气相和呼气相高分辨率CT（HRCT）表现，对呼气相HRCT上的空气潴留征进行定量分析。
Conclusion Air trapping on expiratory HRCT scan can be quantified and used to assess pulmonary function of the patient.
结论呼气相hrct上的空气潴留征可以定量分析，能够反映患者的肺功能状况。
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