The traditional positioning accuracy detection method of feed shaft for numerical control(NC) machine tool exists low accuracy, method obsolete and poor measurement repeatability.
传统的数控机床进给轴定位精度的检测方法，存在精度低、方法落后、检验重复性差等缺点。
The current metrological verification system for traditional theodolite has disadvantages of large volume, low automation, inconvenient metrological operation and bad measurement repeatability.
传统的经纬仪计量检定系统体积庞大、自动化程度低、溯源和传递不便、测量重复性差。
The current metrological verification system for traditional theodolite has disadvantages of large volume, low automation, inconvenient metrological operation and bad measurement repeatability.
传统的经纬仪计量检定系统体积庞大、自动化程度低、溯源和传递不便、测量重复性差。
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