brightness gain

例句：

1. 1.The camera's brightness gain is set to maximum for clear photos.
   相机的亮度增益设置为最大，以便拍摄清晰的照片。
2. 2.The new software offers a significant brightness gain over the previous version.
   这款新软件相较于前一版本，提供了显著的亮度提升。
3. 3. The engineers have optimized the system to achieve a brightness gain of up to 50%.
   工程师们已经优化了系统，实现了高达50%的亮度提升。