The development and evolution of sea bottom sand ridges and sand ripples are discussed.
讨论了海底沙脊和沙波发育演变问题。
The cross-section of tidal sand ridges is asymmetric with a steep slope inclining to the SW.
东海陆架冰后期潮流沙脊以不对称横剖面为特征，陡坡倾向SW。
Through comprehensive application of cores, logs and seismic data, tidal sand ridges are discovered in Pinghu Formation, Xihu Depression.
综合运用地震、测井、岩芯及分析化验资料，在西湖凹陷平湖组发现潮汐砂脊沉积体系。
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.
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。
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。
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.
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。
These inclined beddings can be divided into 4 bedding assemblages to represent different development stages of tidal sand ridges and to correspond to different postglacial sea-level rise periods.
这些斜层理可以划分为高达4组不同特征的组合，分别代表潮流沙脊发育的不同阶段，对应于冰后期海平面上升的不同时期。
In other cases, the finer particles may be removed, while the sand-sized particles are accumulated to form mobile hills or ridges of sand.
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。
Two hundred miles east of Ashkhabad, where the soil shelved into ridges of scrub-speckled sand, a harsh wind sprang up.
在阿什哈巴德以东200英里处，土地变成了长有稀松灌木的梯形沙地，狂风即时而起。
The waves had pushed the sand into little ridges.
海浪推动沙子形成了小小的沙垄。
Dunes are ridges of loose sand heaped up by the wind.
沙丘是散沙被风吹起堆积而成的。
The secondary ridges are main manifestation on the encroach and damage of sand dunes.
而沙丘副梁的前移迅速是格状沙丘的主要运动及其危害形式。
The secondary ridges are main manifestation on the encroach and damage of sand dunes.
而沙丘副梁的前移迅速是格状沙丘的主要运动及其危害形式。
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