磨圆度的英文

psephicity

• 磨:    mill; millstones
• 圆:    round; circular; s ...
• 度:    surmise; estimate

例句与用法

1. The activity area of sediment and solution in gooey is distributary river , which has gigantic water power , good degree of sorting and roundness , gruff grain . lower mud and mica content
   分流河道的主体部位水动力较强，分选性和磨圆度较好，粒度粗，云母矿物和泥质含量较低，是胶结物沉淀和溶解的活跃区，因而也是物性相对较好的地方。
2. Taking sunan mining area as an example , the characteristics of sedimentary faces is obtained by analyzing systematically the topography before sediment , the degrees of roundness , the sizes of sand grains and sources of materials
   摘要以宿南矿区为例，通过对“四含”沉积物沉积前的古地形、沉积物的颗拉大小与磨圆度、物质来源，得出沉积相特徵。
3. Sedimentological and provenance data from tuchengzi formation in nuyingzi - goujiadian basin provide information about the links between erosional unroofing of adjacent thrust sheets and deposition within the basin . through field mapping , measured sections , and sedimentological analysis , we arrived at the following conclusions : 1
   通过野外填图、实测地层剖面及室内分析工作，取得了如下主要成果和认识： 1 、土城子组主要由一套分选性和磨圆度都很差的碳酸盐质砾岩构成。