Based on the theory of wide electron beam focusing with curved axis, a method for determining the off-axis point spread distribution is studied using the trajectories with curved axis.
根据曲轴宽电子束聚焦理论，研究了一种用曲轴轨迹确定轴外点扩散分布的方法。
Under the circumstances of axial symmetric and non-static current distribution, a method for calculating off-axis electromagnetic field is given by using Maxwells equations and axial symmetry.
在轴对称非静态电流分布的情况下，利用麦克斯韦方程组和轴对称性，给出了轴外电磁场的一种计算方法。
Under the circumstances of axial symmetric and non-static current distribution, a method for calculating off-axis electromagnetic field is given by using Maxwells equations and axial symmetry.
在轴对称非静态电流分布的情况下，利用麦克斯韦方程组和轴对称性，给出了轴外电磁场的一种计算方法。
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