英语词汇D-region怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

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	assessors assess the worth of asset asset allocation asset-backed asset base asset card asset class asseth(e asset management asset manager assets assets asset sale assetss assets sale asset-strip asset stripper asset stripper asset stripping asset value asseverate asseverate asseverating asseveration

英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

Definition of D-region in English: