neutron multiplication factor
中子倍增因子
中子增殖因素
中子增殖因数
中子的增殖系数
40 Ar 39 Ar fast neutron activation dating
A double scintillator fast neutron TOF spectrometor
abnormal fast neutron TOF spectrometer
Fast multiplication in vitro
Fast neutron accelerator
fast neutron collimator
fast neutron cross section
fast neutron irradiation
Fast Neutron Moisture Meter
fast neutron reactor fresh fuel
neutron-neutron(n-n)logging