differential gear ratio

例句：

1. 1. The car's differential gear ratio is designed to improve handling and reduce vibration.
   汽车的差速齿轮比设计用来提高操控性和减少振动。
2. 2. In a race car, the differential gear ratio is crucial for maintaining speed and stability.
   在赛车中，差速齿轮比对于保持速度和稳定性至关重要。
3. 3. The engineer adjusted the differential gear ratio to optimize fuel efficiency.
   工程师调整了差速齿轮比以优化燃油效率。