He原子的近阈值双电离
near threshold double ionization
MRI的近期进展
The Latest Development of MRI Equipment
带误差的近似点算法
proximal point algorithm with errors
的近似技术
techniques for approximating the ITS-90 ITS-90
电杆附近的配置
arrangement of pole attachment
端头附近的放电
PD near cable termination
分布的近似变换
transformation approximation to distribution