The optical inspection technology of surface defect, as for defects of hot continuous casting slabs, has advantages of high speed, contactless and high resolution.

光学缺陷检测技术，对热连铸坯表面缺陷而言，具有高速、非接触、高分辨率等优点。

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This paper designs the surface defect detection system to reach real time automation inspection for Nd-Fe-B small magnetic rings.

本文针对钕铁硼永磁材料的小型磁环，设计磁环表面缺陷检测系统，实现对磁环表面的实时自动检测。

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Aimed at internal defect ultrasonic inspection for sculptured surface parts, the paper presented a new nearly arc-length approach to path generation.

针对复杂曲面工件内部缺陷的超声检测，提出了一种新的近似等弧长超声检测轨迹生成算法。

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