上扬子东南缘
the southeast of the Upper-Yangtze area
扬子东南缘
southeastern margin of the Yangtze platform
脉冲中子－中子测井仪
pulsed netron-netron logger
中扬子区
middle Yangtze area
the Middle Yangtze region
Yangtze plate
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