This pattern is consistent with the passing of a cold weather front bearing a strong area of low pressure at the surface.
沙尘暴的这种分布型式与地面冷锋造成的强低压区相一致。
Teams and tyre makers realised that, by omitting a tread pattern on dry weather tyres, the surface area of rubber in contact with the road could be maximised.
车队和轮胎生产商意识到，可以通过忽略干胎面花纹将橡胶胎面与地面的接触性能最优化。
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