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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