目前 ,在X线摄影中所用的感绿屏有进口与国产之分 ,国产产品由于具有明显的价格优势 ,比较适合我国国情 ,但在临床应用中 ,它们之间的性能差异是X线摄影者较为关心的问题 ,我们通过对国产感绿屏的性能测试 ,并与进口产品进行比较 ,探讨其应用价值。材料与方法采用德国佩尔迈公? At present, the green screen used in X-ray photography is divided into domestic and imported products. Domestic products have obvious price advantage and are more suitable for China’s national conditions. However, in clinical application, the performance difference between them is X-ray photographer We are more concerned about the issue, we pass a green screen of domestic performance testing, and compared with imported products to explore its value. Materials and methods used by the German Pell Mai public?