复数： fissions

Some byproducts of the nuclear fission are themselves radioactive .

有些核裂变产生的副产品自身具有放射性。

Post-tsunami , mr mappus 's enthusiasm for fission looked politically dangerous .

海啸发生之后，马普斯对核裂变的热情看来有政治上的风险。

Mr rajoy 's best weapon against regional fission is to make central government work .

拉霍伊现在对抗地区分裂最好的武器就是让中央政府尽快履行职责。

The reactor 's role is to produce free neutrons through nuclear fission .

这个核反应堆是通过核裂变，制造自由的中子。

Uranium atoms are split into lighter atoms ( aka fission products ) .

铀原子裂变为更轻的原子（aka裂变产物）。