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论述了高分辨率光电尺寸检测系统的工作原理和系统总体结构，并给出了设计要点和提高系统分辨率的途径，本系统具有高速、高精度、非接触在线检测、测量结果直接数字显示和打印等特点。
This paper discusses the working principle and system structure of high-resolution photoelectric size detection system, and gives the design points and ways to improve the system resolution. The system has high-speed, high-precision, non-contact online detection, direct digital display of measurement results and Print and so on.