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.
从外挂对载机气动特性影响的计算方法出发，分析了现役某型战机外挂ZC-1航空侦察吊舱对载机升力系数、阻力系数和气动中心的影响，得出了具体的计算结果。
This paper has analyzed and calculated the influence of external ZC-1 scout equipment on the lift coefficient, damp coefficient and aerodynamic center of the fighter plane.
试验数据分析结果表明，不同客车前部造型对气动力影响非常显著，如通过改善造型可使空气阻力系数由0.7509降为0.5759。
The analysis of aerodynamic force data shows that differ front shape is very important to aerodynamic force. For example, coach model air drag coefficient can be lowed to 0.5759 from 0.7509.
试验数据分析结果表明，不同客车前部造型对气动力影响非常显著，如通过改善造型可使空气阻力系数由0.7509降为0.5759。
The analysis of aerodynamic force data shows that differ front shape is very important to aerodynamic force. For example, coach model air drag coefficient can be lowed to 0.5759 from 0.7509.
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