The paper simply introduces the evacuation system for model H-600 electron microscope and analyzes the program of evacuation and the program control circuit.
文章简要介绍了日立h- 600型电子显微镜抽真空系统，分析了抽真空程序及其程序控制电路。
The paper simply introduces the evacuation system for model H-600 electron microscope and analyzes the program of evacuation and the program control circuit.
文章简要介绍了日立h- 600型电子显微镜抽真空系统，分析了抽真空程序及其程序控制电路。
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