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为探讨中老年肺通气功能状况，本研究对某地区30例中老年教师10年前后的通气功能进行测定并对结果作对比分析，取得能较客观地反映该地区中老年教师的通气功能衰减程度的有关数据与作出评价。1对象、方法、测定指标与统计方法1.1对象30例被检者均为教师（年龄40～70岁，其中男
To investigate the status of pulmonary function in middle-aged and elderly patients, the study measured the ventilatory function of 30 middle-aged and older teachers in a certain area for 10 years and compared the results. The objective was to objectively reflect the attenuation of ventilation function of middle-aged and older teachers in the area. The relevant data and make an evaluation. 1Objects, Methods, Measurement Indexes and Statistical Methods 1.1 Subjects 30 subjects were all teachers (aged 40 to 70 years old, male