electronic optical comparator

例句：

1. 1. Theelectronic optical comparator is used tocompare the brightness of two images.
   电子光学比较器用于比较两幅图像的亮度。
2. 2. The electronic optical comparator wasdeveloped to improve the accuracy of image analysis.
   电子光学比较器的开发是为了提高图像分析的准确性。
3. 3. The electronic optical comparator candetect small differences in color and contrast betweenimages.
   电子光学比较器可以检测图像之间颜色和对比度的微小差异。