EOJ

例句：

1. 1. This EOJ is used for measuring the thickness of materials.
   这个电子光学仪器用于测量材料的厚度。
2. 2. The EOJ was developed to improve precision in manufacturing processes.
   这个电子光学仪器被开发出来，以提高制造过程的精度。
3. 3. The EOJ can detect defects in electronic components with high accuracy.
   这个电子光学仪器可以以高准确性检测电子元件中的缺陷。