网站首页  词典首页

请输入您要查询的词汇：

　

词汇 optical flat
释义

Definition of optical flat in English:

optical flat

noun

  • A block or lamina (usually of glass) with one or more surfaces made accurately plane and smooth, any unevenness or departure from a perfect plane being small compared with the wavelength of light.

Origin

Late 19th century; earliest use found in Astrophysical Journal.

Definition of optical flat in US English:

optical flat

noun

  • A block or lamina (usually of glass) with one or more surfaces made accurately plane and smooth, any unevenness or departure from a perfect plane being small compared with the wavelength of light.

Origin

Late 19th century; earliest use found in Astrophysical Journal.
随便看

　

春雷网英语在线翻译词典收录了464360条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。

　

Copyright © 2000-2024 Sndmkt.com All Rights Reserved 更新时间：2024/12/28 2:50:17