GB/T 24791.3-2009
ActivePhotography - Sensitometry of screen/film systems for medical radiography - Part 3: Determination of sensitometric curve shape, speed and average gradient for mammography
摄影 医疗X射线成像用屏/片系统的感光测定 第3部分:乳腺X射线成像感光特性曲线形状、感光度与平均斜率的测定