control exciter

例句：

1. 1. The control exciter is responsible for controlling the speed of the car's engine.
   控制器负责控制汽车发动机的速度。
2. 2. The exciter was designed to stimulate the growth of the plant.
   激发器被设计来刺激植物的生长。
3. 3. The exciter can be used to measure the electrical resistance of different materials.
   激发器可以用来测量不同材料的电阻。