position of focal plane

例句：

1. 1. The cameralens is responsible for capturing the image at the position of the focal plane.
   镜头负责在焦点平面处捕捉图像。
2. 2.The scientist used a microscope to observe the structure of the cell at the position of the focal plane.
   科学家使用显微镜观察细胞在焦点平面的结构。
3. 3. The engineer designed a new system to optimize the position of the focal plane in the imaging process.
   工程师设计了一个新的系统，以优化成像过程中的焦点平面位置。