homopolar motor

例句：

1. 1. The homopolar motor is used in the construction of buildings to provide power for lighting and other electrical systems.
   同极电机用于建筑施工，为照明和其他电气系统提供动力。
2. 2.In a parallel motor, the magnetic fields are aligned in opposite directions, allowing for efficient energy transfer.
   在并联电机中，磁场方向相反，可以实现高效的能量传递。
3. 3. A synchronous motor operates at a constant speed, providing consistent power output without requiring any adjustments.
   同步电机以恒定速度运行，无需任何调整即可提供持续的功率输出。