Author(s): Wei Liu, Xiumin Chen, Kangming Wu, Rong Yu, Xinglong Fu, Ruijiao Jia, Yunmin Chen, Jichang Kang
（八）放射源，是指除研究堆和动力堆核燃料循环范畴的材料以外，永久密封在容器中或者有严密包层的放射性材料。，更多细节参见夫子
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