近地面的风。以距地面高度10米处测得的风为准。
大一些的微粒以扇状的形式沉积下来，扇尖朝向地面风的方向。 而小一点的微粒仍然在火星上空中漂浮。
Larger particles get deposited in fans that point in the direction of surface winds, while smaller pieces remain suspended above.
城郊下垫面结构的不同，造成了城郊风场上的差异，本文探讨了上海城市对近地面风场的影响。
Some differences of wind field between the city proper and the suburbs of Shanghai are discussed in this paper.
并对CZ - 2、土星IB气动弹性模型在地面风荷载下的动态响应进行工程计算，与试验结果有良好的一致性。
The dynamic responses of aeroelastic models based on CZ-2 and Saturn IB under ground wind load are calculated. The results are in good agreement with the measured responses.
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