[名词解释] 中子流密度neutron current density
[名词解释] 中子扩散 neutron diffusion
[名词解释] 中子寿命 neutron lifetime
[名词解释] 中子能群 neutron energy group
[名词解释] 交通密度(Density)
[名词解释] 密度调节(regulation of density)
[名词解释] 临界密度(Critical Density)
[名词解释] 接种密度 inoculum density
[名词解释] 芽梢密度(Shoot density)
[名词解释] 功率密度 power density