What they have is Lake Michigan, which has a weaker temperature differential and higher along-shore wind speeds that bring in air from industrialized areas.
德赛说，幕后黑手是密歇根湖，它温差很小，沿岸的高风速很快将工业化地区的空气带过来。
The control method of self-organized and differential front PID has the advantages of saving electir energy, the effect of dust collecting, wind mixing and spraying for temperature reducing.
提出了为节约电能，提高除尘效果，混风降温、喷雾降温的自组织微分先行PID控制思想及策略。
The large-amplitude rolling random differential equation has been founded of floating structure subjected to wind-wave and explosive loading.
建立了大型浮体结构考虑风浪和爆炸载荷作用的大幅横摇运动随机微分方程；
Based on the stability of differential equation, a concept of critical wind was introduced to estimate the stability of galloping.
以偏微分方程稳定性的判别为依据，提出了临界风速的概念用来判定导线舞动的稳定性。
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。
The opening process of the circle flat parachute with the differential size and the differential vent position of the canopy by the steady flow wind tunnel were dynamic tested.
在改变伞衣面积和透气量的情况下，在定常风洞中对小型平面圆形伞的开伞过程进行了动态试验，研究了开伞过程中伞衣形状和伞衣所受载荷之间的动态关系。
The opening process of the circle flat parachute with the differential size and the differential vent position of the canopy by the steady flow wind tunnel were dynamic tested.
在改变伞衣面积和透气量的情况下，在定常风洞中对小型平面圆形伞的开伞过程进行了动态试验，研究了开伞过程中伞衣形状和伞衣所受载荷之间的动态关系。
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