请输入您要查询的英文单词:

 

单词 solar minimum
释义

solar minimum

noun Astronomy
The period in the sunspot cycle when solar activity is lowest and sunspots are least abundant: in 2009 the sun was at its solar minimum, the quiet phase in its 11-year cycle of activity...
  • We've recently had an unusual number of solar flares during the solar minimum.
  • Scientific projections of solar activity predict a solar minimum over the next two decades.
  • Even in the years of solar minimum from 1994 to 1996, the military still dealt with 150 satellite problems per year.
随便看

 

英语词典包含243303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:2024/12/23 16:34:22