The asthma test USES a device called a spirometer to do the measuring.
哮喘测试会使用一种叫做肺量计的装置来完成上述测定。
2
ABSTRACT: Objective to evaluate the diagnostic specificity of dynamic assessment and monitoring using a portable spirometer in diagnosis and differential diagnosis of asthma.
摘要：目的评价动态肺量测定在支气管哮喘诊断和鉴别诊断中的价值。
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This paper introduces the working principle of logic encryption card SLE4442 and its concrete application at spirometer, and also the design of a general IC card interface circuit.