protection ratio against lightning impulse

例句：

1. 1.The new design of the car has a higher protection ratio against lightning strikes.
   这款新车具有更高的雷电保护比率。
2. 2. The company's new product line offers a higher protection ratio against water damage.
   该公司的新产品线提供了更高的防水保护比率。
3. 3. The engineer designed the device to have a higher protection ratio against electromagnetic interference.
   工程师设计了这款设备，以拥有更高的电磁干扰防护比率。