Conclusion Compared with plain X-ray, DR shows better imaging with more diagnostic information, and meanwhile it can greatly reduce the X-ray radiation and computerize the imaging.

• 结论：DR和普通X线摄影相比，图像更加清晰，诊断信息明显增加，同时可以较大幅度减少X线辐射剂量，实现图像网络化。