网络释义专业释义
D-layer D层
adsorbed d layer 吸附层
Add d Layer Mask 添加图层蒙板
settled d layer 沉积层
Add d Layer Clipping Path 添加图层剪切路径
buried d layer 埋层 ; 隐埋层
ground d layer 贴地层
bleached d layer 漂白层
absorbed d layer 吸收层
柯林斯英汉双解大词典
D region (also D layer)
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1.
N the lowest region of the ionosphere, extending from a height of about 60 kilometres to about 90 kilometres: contains a low concentration of free electrons and reflects low-frequency radio waves D域; 电离层的最低区域 → see also ionosphere
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