计算CT值的公式是根据( )The formula of CT value is based on( )
选项:
A:水的质量衰减系数Mass attenuation coefficient of water;
B:水的线性衰减系数Linear attenuation coefficient of water;
C:水的电子密度Electron density of water;
D:空气的质量衰减系数Mass attenuation coefficient of air;
E:水的密度Water density
发布时间:2024-06-16 14:04:04