circle scanner

例句：

1. 1.The circle scanner is used to detect defects in the material.
   这个圈扫描器用来检测材料中存在的缺陷。
2. 2. The circle scanner was developed to improve the accuracy of the measurement process.
   这个圈扫描器被开发出来，以改进测量过程的准确性。
3. 3. The circle scanner was used to create a detailed map of the area.
   这个圈扫描器被用来创建该区域的详细地图。