Crosswinds hit balloons when they pass through intersections times square is especially tricky and can blow them off course .
克罗斯温击中气球穿越路口时，他们-尤其是棘手的时代广场-并能吹他们偏离方向。
The aerodynamics and multi-body system dynamics of the high-speed train are combined in this paper to study the effects of crosswinds on the running safety of the high-speed train .
