随着肺生理学及其相关科学的发展,特别是电子技术的应用,近20年来,国外对肺功能检查的研究,无论在理论上,还是在测试技术上都进展较快。目前日、美等国生产的肺功能机型号不断更新,技术日趋完善,项目日益增 With the development of pulmonary physiology and related science, especially the application of electronic technology, the research on pulmonary function tests in foreign countries has progressed rapidly both in theory and in testing technology in recent 20 years. At present, Japan, the United States and other countries the production of lung function machine models are constantly updated, technology is maturing, the project is growing