The literatures on the formation and development mechanism of feather-shaped sandridge are scarce in recent ten years.
有关羽毛状沙垄形成发育机理研究，近几十年来进展甚微。
2
Planting sandridge shape, there are gaps oxidation silicon blocking performance. Used for automobile, electronics paint surface polishing.
植砂棱形状氧化硅，有空隙有阻塞性能。用于汽车、电子油漆表面抛光。
3
There is a huge tidal sand system which is composed of the old sand body distributing in the coastal plain and the radial sandridge distributing in south Huanghai Sea.