The instantaneous moving mode of sand mass is divided into 4 types,namely: rolling,jumping,suspending,and running away,when the wind speed reaches the threshold velocity of sand-driving wind.

• 文章研究将沙粒在风速达到沙粒的起动风速时沙粒的瞬间起动方式分为4种,即:滚动、跳跃、悬浮和飞扬4种。