ring aperture

例句：

1. 1. The camera has a circular aperture that allows it to capture images in all directions.
   这台相机有一个圆形的孔，可以捕捉到所有方向的图像。
2. 2. The scientist used a ring aperture to collect data from the moon's surface.
   科学家使用一个环形孔来收集来自月球表面的数据。
3. 3.The ring aperture is crucial for maintaining the integrity of the spacecraft's structure.
   环形孔对于保持航天器结构的完整性至关重要。