与纸质图纸的扫描识别研究相比较，对电子版图纸识别的研究工作还不够深入。

Compared with paper drawing recognition method, research into electronic drawing recognition has not been widely spread.

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中文翻译英文。我收到的只有图纸，纸版图纸和电子版图纸对照后没有差别，如果有技术协议，最…

I receive only drawings, a grown-up drawings and electronic controlled after drawing, if there is no difference between technical agreement, best again and drawing comparisons.

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