second terrace meaning in English
二级阶地
Examples
- The second terrace turned into a complex terrace because of the slackwater sediments caused by the yellow river ' s flood in late holocene
距今4000年左右的史前洪水阶地上加积了一层平流沉积物,形成复合型阶地,其下部为基座阶地,上部为上叠阶地。 - ( iii ) by c - 14 dating , size and sediment indexes analysis , the malan loess is studied which is the main component of the second terrace in csmasp
认为张夏黄土与青州黄土具有相似的成因和物源,但与洛川等地的典型黄土和莱州湾沿岸的陆架黄土有明显差异。 - Through the field research of landform and cultural sites in guanting basin of the upper reaches of the yellow river in qinghai province , the authors analyzed the structure of the second terrace of guanting basin and concluded that the second terrace came into being in middle holocene
摘要通过对黄河上游官亭盆地地貌及古文化遗址的野外考察,分析了盆地中黄河二级阶地的结构,认为该阶地形成于全新世中期。 - Based on analysis of magnetic effect mechanism of alluvial cohesive soil , according to the distribution and character of river alluvial cohesive soil of first and second terrace of yongjiang river of nanning , pore water chemical characteristic , especially total iron content in pore water and holding form of iron ion in pore water , this text preliminarily divides the river alluvial cohesive soil of first and second terrace of yongjiang river of nanning into two magnetic effect region : reinforced region and weaker region of magnetic effect
摘要在分析粘性土磁效应机理的基础上,根据? 、级阶地河流冲积相粘性土的分布及其特性和孔隙水化学特性,尤其是孔隙水中的总铁含量以及铁离子的赋存形式,将南宁市邕江? 、级阶地河流冲积相粘性土初步划分为磁效应强化区、磁效应较弱区两个磁效应区。