The result suggests that the sand dune is characterized by semi-activedune, the move speed is very slow, and all round the district desertification shows negative increase.
研究结果表明,区域沙丘属于半固定沙丘,移动速度缓慢,全区的沙化地总体表现为负增长。
2
By the roadbed height proposed and the analysis of wind velocity flow field, the active sand dune zone should be kept between 1.