在汽车行驶范围内，空气阻力的数值通常都与气流相对速度的动压力1/2 ρur^2成正比例。Fw=1/2 C_D Aρu_r^2，式中，C_D为空气阻力系数。
... Control System 汽车柴油机电子控制系统 ADF Aerodynamic Drag Factor 空气阻力系数 Adj Adjust or Adjustable 调整或者可调整 ...
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CD Capacitor Discharge(ignition)电容器放电(点火_) CD Cofficient of Drag空气阻力系数 CD-REGVLV Crankcase Depression Regulator Valve曲轴箱真空调节器阀 ..
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... air bells resisTANCE 空气阻力 air-resistance n. 空气阻力 coefficient of air resistance 空气阻力系数 ...
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... 空气阻力 aerodynamic resistance 空气阻力系数 aerodynamic resistance coefficient 坡道阻力 grade resistance 18 道路阻力 resistance of the road ...
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结果表明：内部声激励能够明显地降低车身模型的空气阻力系数。
It is shown that the technique can obviously reduce the aerodynamic drag coefficient of the model.
汽车迎风面积是指汽车在行驶方向的投影面积，汽车迎风面积是求汽车空气阻力系数的必需参数。
Automotive frontal area is projected area of automobile driving direction, which is necessary parameter of measuring automotive air drag coefficient.
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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