圆弧扫描 meaning in English

sweeof arc

So the plate - like drawing correcting process can be divided into two stages : absolute errors checking and comparative errors checking absolute errors checking include four modules which were line - weight checking , hatch checking . dimension checking and overlapped line checking comparative errors checking module include drawing compartmentalization , view recognizing , data getting and data compare in this correction system , line - scanning and circle - scanning algorithm , direct graphics element compare algorithm and character compare are used , which simplify the process and reduce difficulties
相对错误检查包括区域划分、视图识别、数据提取、数据提取等过程。相对错误的判断依据是答案图。本批改系统采用直线和圆弧扫描算法，并且结合图形元素直接比较法和特征比较法，既简化了处理过程，又降低了处理难度，比较圆满地完成了开题报告确立的任务。