请输入您要查询的英文单词:

 

单词 pre-main-sequence
释义

Definition of pre-main-sequence in English:

pre-main-sequence

adjective
Astronomy
  • Designating a star which is too young (and therefore too bright, hot, or small) to belong to the main sequence on a Hertzsprung-Russell diagram.

Origin

1950s.

 
 

Definition of pre-main-sequence in US English:

pre-main-sequence

adjective
Astronomy
  • Designating a star which is too young (and therefore too bright, hot, or small) to belong to the main sequence on a Hertzsprung-Russell diagram.

Origin

1950s.

 
 
随便看

 

英语词典包含464360条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/9/20 15:00:49