The influence rules of underbody diffuser on light-bus aerodynamic characteristics are studied with the method of numerical simulation.
用数值模拟的方法，研究轻型客车底部上翘角对其气动特性的影响规律。
The surface pressure distribution around the deck section has significant influence on the aerodynamic behaviour of the deck.
表面压力分布对断面的气动特性有着重要的影响。
The nose shapes of high-speed trains with optimal synthetic aerodynamic performance can efficiently reduce the influence of the aerodynamic phenomena on the train operation and the environment.
综合气动性能最佳的高速列车头部形状，可有效地降低空气动力学现象对列车运行和周围环境的影响。
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