occulting disc

例句：

1. 1. The occulting disc is used to reduce the amount of light that reaches the camera lens.
   潜影盘用于减少到达镜头的光线量。
2. 2.The occulting disc was designed to improve the quality of images captured by cameras.
   潜影盘旨在提高相机捕获图像的质量。
3. 3.The occulting disc is a crucial component in many scientific experiments, as it helps to minimize interference from external sources.
   潜影盘是许多科学实验中的关键组件，因为它有助于减少外部干扰。