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。
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。
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