According to vehicle driving conditions active front steering can achieve the desired steering ratio, which meets the flexibility at low speed and stability at high speed.

主动前轮转向可以根据汽车行驶状态实现理想转向传动比，能同时满足低速时的灵活性与高速时的稳定性要求。

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The capacity of water to transport large tonnage at low variable cost places this mode of transport in demand when low freight rates are desired and speed of transits a secondary consideration.

在希望运费率较低而运送速度又不是首要因素的情况下，运输能力强、成本较低的水路运输将成为一种可供选择的运输方式。

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