With the analysis of punching technology of locating plate, punching hole-mending hole-blanking continuous punching technology can improve part quality and production efficiency greatly.

对定位板零件的冲压工艺进行了分析，改用冲孔—整孔—落料连续冲压工艺，可明显提高工件质量及生产率。

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Under the basis of the analysis to characteristic of toll station vehicle number-plate, this paper presents an improved number-plate locating method based on the characteristics of gray beep points.

该文在对收费站汽车牌照特征分析的基础上，提出了一种改进的基于扫描行的灰度跳变点特征的车牌定位算法。

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At the meantime it also do car plate locating by several edge detection methods.

同时也研究了一些边缘检测算法在车牌定位中的应用。

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