oval-eccentric gearing

例句：

1. 1.The new car has a unique oval-eccentric gearing system that makes driving smooth and efficient.
   这款新车拥有独特的椭圆形偏心齿轮传动系统，使得驾驶既顺畅又高效。
2. 2. The engineer designed the gearing to optimize performance while reducing noise and vibration.
   工程师设计了这种齿轮传动，以优化性能同时降低噪音和振动。
3. 3. The oval-eccentric gearing was a revolutionary development in automotive technology.
   这种椭圆形偏心齿轮传动是汽车技术的一次革命性发展。