-d boundary layer三维边界层
d interfacial layer resistance三维低温界面层热阻
Background d From Layer背景图层
3 d boundary layer三维边界层
d boundary layer三维边界层
D-layerD层
separated d boundary layer分离边界层
-d -layer model二维两层模型
3-d boundary layer三维边界层
N（名词） 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