a neutron with relatively high kinetic energy, esp. one that has not been slowed down by the action of a moderator (moderator, n. 9) after being…
单词 | θ79644 |
释义 | the world > matter > physics > atomic nucleus > nuclear fission > nuclear reactor > [noun] > using fast neutrons > fast neutron (1) fast neutron1932 a neutron with relatively high kinetic energy, esp. one that has not been slowed down by the action of a moderator (moderator, n. 9) after being… |
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