In this paper, the calculating formula and marking method of positioning tolerance are presented in detail.

本文比较详细地介绍了位置度公差值的计算公式及如何标注。

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The screen output (Fig. 5) will show the original groove profile, its tolerance and the positioning of the checked points for immediate and intuitive arschfickysis of the results.

屏幕输出（图五）将展现原始的孔型外形、误差和丈量点的定位，及时、直观地剖析结果。

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The simulation results show that the method ensures positioning accuracy of the system under the premise of effectively improve the positioning system fault-tolerance and reliable operation.

仿真结果表明，该方法在保证了系统定位精度的前提下，有效提高了定位系统的容错性和工作可靠性。

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