lane occupancy ratio

例句：

1. 1. The traffic engineer needs to calculate the lane occupancy ratio to ensure smooth traffic flow.
   交通工程师需要计算车道占用率以确保交通流畅。
2. 2.The lane occupancy ratio was a key factor in determining the success of the new highway project.
   车道占用率是决定新高速公路项目成功的关键因素。
3. 3.The lane occupancy ratio is an important metric for evaluating the efficiency of urban transportation systems.
   车道占用率是评估城市交通系统效率的重要指标。