dielectric isolation

例句：

1. 1.The insulation of the cable is crucial for maintaining electrical isolation.
   电缆的绝缘对于维持电气隔离至关重要。
2. 2. The isolation unit is designed to prevent electromagnetic interference from entering the system.
   隔离单元旨在防止电磁干扰进入系统。
3. 3. The isolation transformer is used to isolate the high voltage circuit from the low voltage circuit.
   隔离变压器用于将高压电路与低压电路隔离。