基于数字图像处理技术，提出大型轴类工件平行度测量方法。
The method of measuring the parallelism for large-scale shafts based on digital image processing was proposed.
测量直线度、平行度和垂直度。
设计了用于测量输出为视频图像信号的多光轴光学系统的光轴平行度校正仪器。
The instrument for measuring the parallel of the multi?axis optical system with video output was designed.
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