进入90年代以来，随着医院经济实力的增强，各医院购置的大型医疗设备越来越多，如CT、MRI等在各医院已很普遍了。大型医疗设备技术含量高，价格高，各医院购买数量相对较少。怎样更好地选型、论证、购买大型医疗设备，对各医院的发展是个重要的问题。通过几年的实践，我们认为 Since the 1990s, with the increase of the economic strength of hospitals, more and more large-scale medical equipments have been purchased by hospitals, such as CT, MRI, etc., which are common in all hospitals. Large-scale medical equipment has high technical content and high prices. The number of hospitals purchased is relatively small. How to better select, demonstrate, and purchase large-scale medical equipment is an important issue for the development of various hospitals. Through years of practice, we believe