FHD

例句：

1. 1. The FHD is a crucial component in the production process.
   荧光素是生产过程中的关键成分。
2. 2. The FHD is used to enhance the brightness of LEDs.
   荧光素用于增强LED的亮度。
3. 3. The FHD is responsible for providing the necessary energy to the LEDs.
   荧光素负责为LED提供必要的能量。