中文说明：对答题卡考生考号进行识别，对图片进行灰度，切割处理，其中有部分实用对网站的建设。
English Description：
To identify the examinee's test number of the answer card, gray scale of the picture, cutting processing, some of which are practical for the construction of the website.
Identify the examinee's test number on the answer sheet
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中文说明：对答题卡考生考号进行识别，对图片进行灰度，切割处理，其中有部分实用对网站的建设。
English Description：
To identify the examinee's test number of the answer card, gray scale of the picture, cutting processing, some of which are practical for the construction of the website.