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词汇 stigmator
分类 英语词汇 英语翻译词典
释义

stigmator /'stigmætə/

英汉-汉英词典
n. 象散校正装置
词组 | 习惯用语
您要查找的是不是：
  • stigma n. 污名；耻辱；柱头；烙印；特征
  • stigmata n. [医]气孔；皮肤红斑
  • stigmatize vt. 使受耻辱；指责；污辱
  • stigmatic adj. 有烙印的,污辱的,丑恶的
stigmator n. 象散校正装置；消象散器

网络短语:
automatic focus and stigmator 自动调焦和消象散装置
英语百科

Stigmator

Quadrupole field created by four wires. The principle of a stigmator is that the current through each of the wires would be adjusted to change the shape of the beam.
For the photographic lens astigmatism correction lens see Anastigmat.

A stigmator is a component of electron microscopes that reduces astigmatism of the beam by imposing a weak electric or magnetic quadrupole field on the electron beam.
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