“neutron emission rate standard”的概念、定义、翻译、参考文献-科学参考

单词	neutron emission rate standard
释义	neutron emission rate standard Encyclopedia 工学中子发射率标准释 neutron emission rate standard中子发射率标准针对放射性核素中子源的中子发射率的标准。又称放射性核素中子源强度标准。
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