适当延长地板，可提高气动阻力系数的测量精度。
By extending length of the test floor properly, the aerodynamic drag coefficient can be measured more precisely.
计算得到的不同流线型列车的整体长细比大小排序与其气动阻力系数排序完全一致。
The order of total slenderness ratios of the five trains is as same as that of aerodynamic drag coefficients.
考虑了不同飞行攻角、不同燃料流率下气动参数，包括升力系数、阻力系数和俯仰力矩系数的变化规律。
The change rules of aerodynamic parameters including lift coefficient, drag coefficient and pitch moment coefficient have been analyzed when Angle of attack and fuel flow rate is changed.
应用推荐