“threshold detector”的概念、定义、翻译、参考文献-科学参考

单词	threshold detector
释义	threshold detector [`thresh´hōld di´tek·tǝr] ^{NUCLEAR PHYSICS} An element or isotope in which radioactivity is induced only by the capture of neutrons having energies in excess of a certain characteristic threshold value; used to determine the neutron spectrum from a nuclear explosion.
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