... electron exchange resin 电子交换树脂 electron focusing 电子聚焦 electron gun 电子枪 ...
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electron beam focusing 电子束聚焦
electron magnetic focusing 电子荷质比测量
wide electron beam focusing 宽电子束聚焦
electron beam focusing theory 电子注聚焦理论
focusing electron beam 电子注聚焦
electron beam focusing system model 电子束聚焦系统模型
condition of electron beam focusing 聚束条件
Reduction of the focus hole diameter strongly affects the electrons with large emission angle but its influence on electron focusing is less markedly than the influence of the variations in potential.
减小聚焦极孔径对大发散角的电子有影响，但对聚焦作用的影响不如改变电位明显。
This article points out the inadequacies in the principles of focusing on the electron in the book "electron Survey" Meanwhile, it discusses and amends them in greater detail.
指出《电子测量》一书关于示波器聚焦原理论述的不足，并针对这一问题进行较详细的讨论和补充。
The focusing performance of electron gun is decided by the structure of electrodes.
电子枪聚焦性能是由电极结构决定的。
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