给出了光学系统图、纵向像差图及调制传递函数图。
The figures of optical system, longitudinal aberration and modulation transfer function (MTF) are given.
应用光程函数法计算出旋转对称电子光学系统的7级几何像差，给出旋转对称电磁场同时存在情况下的系统7级几何像差表示式。
The 7th order geometrical aberration of rotationally symmetrical electron optic system and their expressions are given by using the eikonal method when the electric and magnetic fields exit.
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