请输入您要查询的英文单词：

　

单词 D-region
释义

Definition of D-region in English:

D-region

noun
  • another term for D-layer
    Example sentencesExamples
    • The altitude of the D-region ionosphere is too low for satellite measurements of electron density.
    • Negative ions are a feature of the D-region ionosphere, where they hold a substantial portion of the negative charge.
 
 
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：2025/10/17 5:43:35