脉冲中子－中子测井仪
pulsed netron-netron logger
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
高通量中子束堆
high flux neutron beam reactor
high flux isotope reactor
HFBR