So that the next main point to improve the machine is changing scanning manner with vector scanning.
因此我们另一个改进要点就是将电子束光栅扫描曝光方式改为电子束矢量扫描曝光。
参考来源 - Ee～·2,447,543篇论文数据，部分数据来源于NoteExpress
该技术旨在将扫描的工程图像转换为与CAD系统相兼容的矢量数据格式。
Engineering drawing recognition technique aims at converting scanned engineering drawing images into vector formats compatible with CAD systems.
提出一种实现刀具扫描体与曲面矢量求交的有效算法。
An effective algorithm is presented here for seeking and realizing the intersection of tool sweep volume with surface vector.
工程图纸扫描识别及矢量化在国内外虽然已经进行了相当长时间的研究，但依然未达到智能理解的程度。
The research of scanning, discerning and vectorization of engineering drawing has been carried out for quite a long-time, but it has not reached the degree of intelligence and understand.
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