请输入您要查询的字词:

 

单词 photographic magnitude
释义 photographic magnitude
[¦fōd·ǝ¦graf·ik `mag·nǝ´tüd]
ASTRONOMY
The magnitude of a star, as obtained by measuring the apparent size of a star's image on a photographic emulsion sensitive to blue light at wavelengths between 400 and 500 nanometers.
随便看

 

科学参考收录了103327条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。

 

Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号 更新时间:2025/1/31 5:15:11