在其他情况下，较细的颗粒可能被除去，而沙粒大小的颗粒堆积起来形成移动的山丘或沙脊。
In other cases, the finer particles may be removed, while the sand-sized particles are accumulated to form mobile hills or ridges of sand.
讨论了海底沙脊和沙波发育演变问题。
The development and evolution of sea bottom sand ridges and sand ripples are discussed.
沙脊呈平行的、微弓形排列，这能反映滨线迁移的历史。
Cheniers have a parallel, gently arcuate alignment reflecting the migratory history of the shoreline.
沙脊群与潮流通道组合是苏北淤泥平原海岸带宝贵的天然港口资源。
The combination of the sand ridges and the channel is a valuable natural port resource in the coastal zone of the north Jiangsu ooze plain.
综述了国内外海底沙脊地貌的研究成果、技术方法以及东中国海沙脊研究中存在的问题。
Some study results and technologies of submarine sand ridges geomorphology are summarized, and several unfathomed issues of sand ridges on the eastern China seas are discussed in this paper.
沙波沙脊区海底管线悬跨的产生，主要是海底地形、沙波的移动和区域性冲沟的发育所造成的。
The seabed terrain, sand wave migration and the growth of regional erosion ditch create subsea pipeline suspended span.
东沙是江苏岸外辐射沙脊群中的第二大沙洲，具有独特的地形地貌和水动力条件，对它进行稳定性研究为揭示整个辐射沙洲及其邻近岸滩的动态演变都非常有益。
So the stability study of the Dongsha sandbank is very helpful to the analysis of the stability of the whole radial submarine sand ridges system and the neighboring tidal flat.
东沙是江苏岸外辐射沙脊群中的第二大沙洲，具有独特的地形地貌和水动力条件，对它进行稳定性研究为揭示整个辐射沙洲及其邻近岸滩的动态演变都非常有益。
So the stability study of the Dongsha sandbank is very helpful to the analysis of the stability of the whole radial submarine sand ridges system and the neighboring tidal flat.
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