• 本文研究阴极透镜普遍适用电磁复合聚焦球面阴极透镜的理论

    In the present study, an aberration theory for both wide and narrow electron beams in a combined electromagnetic focusing spherical cathode lens system is discussed.

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  • 电机控制器软件可以驱动Z聚焦电机, 聚焦电机可以安装最新显微镜旋钮上。

    The motor controller and software can also drive an optional Z axis or focus motor which can be fitted to the fine focus knob of most of the newer microscopes.

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  • 电机控制器软件可以驱动Z聚焦电机, 聚焦电机可以安装最新显微镜旋钮上。

    The motor controller and software can also drive an optional Z axis or focus motor which can be fitted to the fine focus knob of most of the newer microscopes.

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