video control circuit

例句：

1. 1. The new video control circuit greatly improves the quality of our videos.
   新的视频控制系统极大地提高了我们视频的质量。
2. 2.The engineer designed a video control circuit that could automatically adjust the brightness and contrast.
   工程师设计了一个视频控制系统，它可以自动调整亮度和对比度。
3. 3. The video control circuit was responsible for controlling the camera's focus and exposure settings.
   视频控制系统负责控制相机的焦点和曝光设置。