fissionedv.分裂adj.分裂的fissionn.分裂；裂变；【生】裂殖Fission - Track Dating裂变径迹法断代fission products monitor裂度产物监测器fission-producing flux致裂变通量fission products release裂变产物的释放fissionability parameter可裂变性参数fission-product debris裂变物余烬Fission product behavior裂变产物行为fission break monitoring裂变散发监察fission-product heating裂变产物加热fission product chemistry裂变产物化学