measuring aperture

例句：

1. 1. The engineer used a measuring aperture to measure the size of the hole.
   工程师使用测量孔径来测量孔的大小。
2. 2. The camera has a measuring aperture that can capture high-resolution images.
   这台相机有一个测量孔径，可以捕捉高分辨率的图像。
3. 3. The scientist used a measuring aperture to study the properties of the material.
   科学家使用测量孔径来研究材料的性质。