条码扫描和打印，还有数据库的操作 已成功用于广州马瑞利

hausdorff距离，用于图像处理中比较两幅图像的差异的方法。其鲁棒性较好。-hausdorff distance, for the image processing of the images compared two different methods. Its robustness better.

条码扫描和打印，还有数据库的操作 已成功用于广州马瑞利-Barcode scanning and printing, as well as the operation of the database has been successfully used for Canton Marelli