| 单词 |
first electron lens |
| 释义 |
第一电子透镜 以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译 1 ?第一电子透镜 ... first approximation 初步近似，一级近似 first electron lens 第一电子透镜，阴极透镜 first eye lens 首侧复曲面 ... 2 ?阴极透镜 ... first approximation 初步近似，一级近似 first electron lens 第一电子透镜，阴极透镜 first eye lens 首侧复曲面 ... 3 ?初步近似 ... 第一角投射法 first approximation 初步近似，一级近似 first electron lens 首侧复曲面 first harmonic ...
- 1
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. 用假设弱透镜焦距表达式是一个幂级数中的第一项的方法，可以导出相当准确且便于实用的电磁电子透镜物镜焦距公式。
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