The crystal oscillator shell is mainly used to screen the crystal oscillator from the interfering of electromagnetic wave.
晶振外壳主要用来屏蔽外界的电磁波对晶振的干扰。
参考来源 - 晶振外壳冲压品质视觉抽样检测系统的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
在晶振外壳缺陷检测系统中，正确识别缺陷的前提条件是得到高质量的预处理图像。
Of the defects detection system of the shell of crystal oscillator, obtaining high quality preprocessed image is prerequisite to correctly verify the defects.
开发了一套晶振外壳抽检系统，通过对晶振外壳这种微型冲压件的缺陷检测，实现对冲压模具磨损情况的无人监控。
A machine-vision spot-inspection system for crystal oscillator shell (COS) quality detection was developed, which can monitor the punch mould state by spot-inspecting the COS automatically.
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