Objective: The significance of clinical manifestations and pulmonary function test in differential diagnosis of asthma from COPD in elderly was investigated.
目的：探索老年哮喘与慢性阻塞性肺疾病（COPD）临床特征的区别和肺功能检查在鉴别诊断中的重要性。
Objective: to evaluate the diagnosis value of HRCT, pulmonary function test and plain chest radiography in detecting pulmonary involvement attributed to rheumatic diseases.
目的探讨高分辨率CT (HRCT)、肺功能、胸片等对风湿性疾病肺间质病变的诊断价值。
The function of the VI system based on GPIB in Test Bench of Receiver is fault diagnosis in analog circuit.
在接收机测试台中，采用GPIB接口的虚拟仪器系统，主要实现的功能是对模拟电路进行故障诊断。
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