unipolar pacemaker

• 单极起搏器

unipolar pacemaker的用法和样例：

例句

1. Unipolar controllers need center-tapped windings.
   单极控制器需要中心抽头绕组。
2. It is possible to drive unipolar stepper motors with bipolar drivers.
   使用多极驱动器可以驱动单极步进马达。