beam modulation disc

例句：

1. 1.The beam modulation disc was used to adjust the brightness of the display.
   光束调制盘被用来调整显示器的亮度。
2. 2.The beam modulation disc was used in the manufacturing process to ensure consistency.
   光束调制盘在生产过程中被使用，以确保一致性。
3. 3.The beam modulation disc was used to transmit data over long distances without loss.
   光束调制盘被用来在长距离内传输数据，而不会丢失。