英语词汇D layer的读音、翻译及短语词组释义-英汉双解词典

单词	D layer
释义	D layer D layer n.（名词）The lowest layer of the ionosphere, existing only during the day.D层：电离层的最底层，只有日间存在
随便看	group data modulator group data set group decision group delay group delay distortion group delay time group depreciation group depreciation method group digital check group directional characteristic group disability insurance group discount group distribution frame group drive group dynamics grouped data group edit group edit mode grouped record grouped records grouped table group entry grouper group filter group financial statement

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