Results: The density of CR/DR film was not impacted by the exposal dose exactly.Film density adapted to observer s eyes could be achieved by post processing.

• 结果:CR系统输出影像的密度值并不完全受曝光量大小控制,通过后处理功能总能获得适合人眼观察的照片密度,但并不能达到各个点标准密度值的要求。