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分析了现有坐标测量机精度检具的局限性，提出了坐标测量机双频激光定标仪的设计方案，解决了在一次安装中以激光波长为长度基准检定坐标测量机单轴和空间示值精度的难题。
The limitations of the existing coordinate measuring machine gage are analyzed. The design scheme of coordinate measuring machine dual-frequency laser calibrator is proposed, which solves the problem that in one installation, the coordinate and length of the coordinate measuring machine Value accuracy of the problem.