ECU

例句：

1. 1. The ECU is responsible for regulating the engine's performance.
   电子控制单元负责调节发动机的性能。
2. 2. The car's ECU was replaced due to a software issue.
   由于软件问题，汽车的电子控制单元被更换了。
3. 3. The ECU controls various systems in the car, including the air conditioning and power windows.
   电子控制单元控制着汽车中的各种系统，包括空调和电动窗。