focal plane shutter

例句：

1. 1. The camera uses a focal plane shutter to control the exposure of the image.
   相机使用焦平面快门来控制图像的曝光。
2. 2. In photography, the focal plane shutter is used to capture multiple images simultaneously.
   在摄影中，焦平面快门被用来同时捕捉多张图片。
3. 3. The focal plane shutter is an essential component in the development of modern cameras.
   焦平面快门是现代相机发展的关键组件。