focal plane plate

例句：

1. 1.The focal plane plate is used to adjust the focus of the camera.
   焦平面板用于调整相机的焦点。
2. 2.The focal plane plate was designed to improve image quality.
   焦平面板的设计旨在提高图像质量。
3. 3.The focal plane plate is crucial for maintaining the accuracy of the imaging system.
   焦平面板对于保持成像系统的准确性至关重要。