self-tuning engine

例句：

1. 1.This self-tuning engine can adjust the speed of the car automatically.
   这款自调谐引擎可以自动调整汽车的速度。
2. 2. The self-tuning engine is designed to improve fuel efficiency.
   这款自调谐引擎旨在提高燃油效率。
3. 3. The self-tuning engine technology has been widely used in modern cars.
   自调谐引擎技术在现代汽车中得到了广泛应用。