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electron beam

/ɪˈlɛktrɒn biːm/

翻译: 由阴极发射并被电场加速的电子流,常用于电子束管、电子显微镜、焊接设备等装置中。

1 个条目

phrase

/ɪˈlɛktrɒn biːm/C1formalscientific
  • zh由阴极发射并被电场加速的电子流,常用于电子束管、电子显微镜、焊接设备等装置中。

A stream of electrons emitted from a cathode and accelerated by an electric field, typically used in devices such as cathode-ray tubes, electron microscopes, and welding equipment.

  1. C1formal

    A focused stream of electrons moving in a specific direction, typically in a vacuum, used in various technologies.

    zh电子束

    • The electron beam in the microscope allows for extremely high-resolution imaging.
    • In a cathode ray tube, an electron beam scans the screen to create an image.
    • Scientists used an electron beam to weld the tiny components together.