If I Epiphyllum, blown up by the wind, gently down to the sand.
我若昙花，被风吹起，轻轻飘落到沙间。
Stochastic sand trajectories in wind-blown sand were obtained by solving the differential equation which describes the vertical fluctuating velocity of sand grains.
通过对描述沙粒垂向运动速度脉动分量的随机微分方程的直接求解，获得了风沙流中沙粒运动的随机轨迹。
Natural and man made factors make sand blown by wind environment, one of sourse regions of sand getting up on the spot during capital sand dust devil weathers, worse and worse.
潮白河流域密怀山前地区处于古北口—天竺东北信风带 ，自然和人为因素导致风沙化环境渐趋强烈 ，成为首都沙尘暴天气中就地起沙的源区之一。
The wind causes much wearing of rocks, particularly if sand and dust are blown along by it.
风引起岩石磨耗，尤其是当风沙很大时。
The wind causes much wearing of rocks, particularly if sand and dust are blown along by it.
风引起岩石磨耗，尤其是当风沙很大时。
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