Automotive frontal area is projected area of automobile driving direction, which is necessary parameter of measuring automotive air drag coefficient.

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。

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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。

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The air conditioning refrigeration fuel consumption, the drag coefficient will affect the vehicle's fuel consumption.

空调制冷上的燃油消耗问题、风阻系数也会影响到车辆的油耗。

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