英语词汇“D-region”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	D-region
释义	D-region noun Another term for D-layer.Negative ions are a feature of the D-region ionosphere, where they hold a substantial portion of the negative charge.... The altitude of the D-region ionosphere is too low for satellite measurements of electron density.
随便看	put one's head in a noose put one's money where one's mouth is put one's shirt on put one's shoulder to the wheel put on flesh putonghua put on one's thinking cap put on (or lose) weight put on the dog put on the ritz put option put (or bring or carry) something into effect put (or give or set) one's mind to put (or have) someone's ass in a sling put (or have) the wind up put (or lay) one's cards on the table put (or lay) one's head (or neck) on the block put (or lay) on jam put (or place) a premium on put (or place) someone on a pedestal put (or set) one's hand to the plough put (or set) one's house in order put (or set) pen to paper put (or set) someone right put (or set) something to rights

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