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国际辐射单位与测量委员会(InternationalCommissiononRadiologicalUniteandMeasutements,ICRU)于1980年在第33号报告中,对辐射剂量学中使用的量共定义了9个[1,2],其中包括3个随机量,即授(
The International Commission on Radiological Units and Measurements (ICRU) defined in 1980 in Report No. 33 a total of nine [1, 2] of the quantities used in radiation dosimetry, including three random variables, namely