请输入您要查询的字词:

 

单词 paraboloidal reflector
释义 paraboloidal reflector
[pǝ¦rab·ǝ¦lȯid·ǝl ri`flek·tǝr]
ELECTROMAGNETISM
An antenna having a concave surface which is a paraboloid of revolution; it concentrates radiation from a source at its focal point into a beam. Also known as paraboloidal antenna.
OPTICS
A concave mirror which is a paraboloid of revolution and produces parallel rays of light from a source located at the focus of the parabola. Also known as parabolic reflector.
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:2025/3/10 6:57:08