Both DR and CR have raised the picture quality and lower the exposure dose than conventional radiogram to varying degrees, and also have higher efficiency and more profit by shortening the examination and review time, but DR dominates over CR.

• DR和cr均提高了图像质量,不同程度减低了被检者所受X线照射量,通过缩短检查和发报告的时间加快了工作效率,带来更高的效益,DR较之cr更具优势。