“foam mark”的概念、定义、翻译、参考文献-科学参考

单词	foam mark
释义	foam mark [`fōm ´märk] ^GEOLOGY A surface sedimentary structure comprising a pattern of barely visible ridges and hollows formed where wind-driven sea foam passes over a surface of wet sand.
随便看	directional response pattern directional separation filter directional solidification directional stability directional structure directional well direction angles direction cosine direction finder direction-finder-bearing indicator direction finder deviation direction-finding net direction-giving beacon direction-independent radar direction indicator direction numbers direction of propagation direction of relative movement direction ratios direction rectifier directive directive feed directive gain directive therapy directivity

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