脉冲中子－中子测井仪
pulsed netron-netron logger
潜艇用中能中子反应堆
submarine intermediate reactor
中能中子堆
intermediate spectrum reactor
中能中子反应堆
intermediate reactor
intermediate spectrum reactor
中子—中子反应
neutron-neutron re-action
中子中子碰撞
collision between neutrons
中子-中子散射
neutron neutron scattering
中子—中子甄别
Neutron-neutron discrimination
超高能中子
super-high energy neutron
high energy neutron
超热能中子反应
epithermal(-neutron) reaction