我正沿着车道向车子跑去，然后我失去了平衡。
I was running down the driveway to the car and I lost my balance.
为了定量描述城市道路信号交叉口进、出口车道的动态平衡性，引入指标动态平衡度。
In order to quantitatively describe the dynamic balance of lanes at a urban road signal intersection, the evaluation index of dynamic balance degree was introduced.
对于铁路桥梁，机车通过时，车道不平顺及驱动轮重量的不平衡产生的荷载效应是一种移动的简谐力。
For railway Bridges, the load effect of irregularity lane and wheel weight imbalances is a moving harmonic force.
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