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.
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。
This paper describes a new multi ion and electron beam system for preparing optic thin films.
本文介绍一种新型的光学薄膜制备用多离子束电子束系统。
The optic microscopy and electron microscopy have been used to observe the morphology and structure of individual char particles, and determine their distribution during combustion.
本文利用光学显微镜和电镜，阐述了不同残炭颗粒的形态和结构以及它们在燃烧过程中的分布特征。
The crystalline morphology and lattice constants of silica bricks in several status were investigated by the optic microscope, scanning electron microscope and X-ray diffraction.
利用光学显微镜、扫描电镜和X射线衍射仪研究了几种不同状态硅砖的晶体形貌和晶格常数。
The construction and measurement system of fiber-optic sensor for monitoring the distance between cathode and first grid during assembly of electron gun are described.
本文描述了用于装配电子枪时控制阴极与第一栅极间距的光纤传感器的结构及其测量系统。
Culturing of infectious organisms, staining, fibre-optic endoscopy, and electron microscopy have greatly expanded the information available to the pathologist.
感染器官的培养、染色、光纤内视镜以及电子显微镜大幅扩展病理学家所能获得的信息。
The ferroelectric memory devices utilizing the property of polarization reverse, nonlinear optic devices and electron optic devices had been applied in some case.
利用极化反转特性的铁电存贮器件以及非线性光学效应和电光效应已部分得到应用。
Observed with transmission electron microscope, no pathomorphological damages in corneal epithelium, corneal endothelium, retina, and optic nerve were found in all groups.
透射电镜观察：各组角膜上皮细胞、内皮细胞、视网膜细胞、视神经细胞均未见病理形态学损伤。
Observed with transmission electron microscope, no pathomorphological damages in corneal epithelium, corneal endothelium, retina, and optic nerve were found in all groups.
透射电镜观察：各组角膜上皮细胞、内皮细胞、视网膜细胞、视神经细胞均未见病理形态学损伤。
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