• By assuming the weak lens focal length expression to be the first term in a power series a simple and accurate formula can be derived for the objective focal length of a magnetic electron lens.

    假设透镜焦距表达式一个级数中的第一方法,可以导出相当准确便于实用的电磁电子透镜物镜焦距公式

    youdao

  • By assuming the weak lens focal length expression to be the first term in a power series a simple and accurate formula can be derived for the objective focal length of a magnetic electron lens.

    假设透镜焦距表达式一个级数中的第一方法,可以导出相当准确便于实用的电磁电子透镜物镜焦距公式

    youdao

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